diff --git a/marietje/marietje/templates/marietje/base.html b/marietje/marietje/templates/marietje/base.html
index 8b6d2cf..a999251 100644
--- a/marietje/marietje/templates/marietje/base.html
+++ b/marietje/marietje/templates/marietje/base.html
@@ -15,7 +15,10 @@
         <link href="{% static 'fontawesomefree/css/all.min.css' %}" rel="stylesheet" type="text/css">
 
         <!-- Vue JS -->
-        <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.min.js"></script>
+        <script src="https://unpkg.com/vue@3/dist/vue.global.prod.js"></script>
+        <script>
+            const { createApp } = Vue;
+        </script>
 
         <!-- TaTa.js notifications -->
         <script src="{% static 'marietje/js/tata.js' %}"></script>
@@ -37,6 +40,7 @@
         </section>
         <nav class="navbar navbar-expand-lg sticky-top navbar-dark bg-primary">
             <div class="container">
+                <a class="navbar-brand d-block d-lg-none" href="{% url "index" %}">Marietje 4.1</a>
                 <button class="navbar-toggler ms-auto" type="button" data-bs-toggle="offcanvas"
                         data-bs-target="#offcanvasNavbar" aria-controls="offcanvasNavbar">
                     <span class="navbar-toggler-icon"></span>
diff --git a/marietje/queues/templates/queues/queue.html b/marietje/queues/templates/queues/queue.html
index 786adc6..206def6 100644
--- a/marietje/queues/templates/queues/queue.html
+++ b/marietje/queues/templates/queues/queue.html
@@ -39,26 +39,28 @@
                 </li>
             </ul>
 
-            <ul v-if="'start_personal_queue' in infobar && infobar.start_personal_queue !== null" id="personal-queue-container" class="navbar-nav navbar-right hidden-xs">
-                <li v-if="infobar.start_personal_queue != 0" class="nav-item me-3">
-                    <p v-if="infobar.plays_in" class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
-                        First song starts in <% infobar.start_personal_queue.secondsToMMSS() %>
-                    </p>
-                    <p v-else class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
-                        First song starts at <% (infobar.now_in_seconds + infobar.start_personal_queue).timestampToHHMMSS() %>
-                    </p>
-                </li>
-                <li class="nav-item me-3">
-                    <p v-if="infobar.plays_in" class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
-                        Last song ends in <% infobar.end_personal_queue.secondsToMMSS() %>
-                    </p>
-                    <p v-else class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
-                        Last song ends at <% (infobar.now_in_seconds + infobar.end_personal_queue).timestampToHHMMSS() %>
-                    </p>
-                </li>
-                <li class="nav-item">
-                    <p class="navbar-text mb-0 duration-queue" v-bind:class="{danger: infobar.length_personal_queue > infobar.max_length * 60}">(<% infobar.length_personal_queue.secondsToMMSS() %>)</p>
-                </li>
+            <ul id="personal-queue-container" class="navbar-nav navbar-right hidden-xs">
+                <template v-if="infobar !== null && 'start_personal_queue' in infobar && infobar.start_personal_queue !== null">
+                    <li v-if="infobar.start_personal_queue !== 0" class="nav-item me-3">
+                        <p v-if="infobar.plays_in" class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
+                            First song starts in ${ infobar.start_personal_queue.secondsToMMSS() }$
+                        </p>
+                        <p v-else class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
+                            First song starts at ${ (infobar.now_in_seconds + infobar.start_personal_queue).timestampToHHMMSS() }$
+                        </p>
+                    </li>
+                    <li class="nav-item me-3">
+                        <p v-if="infobar.plays_in" class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
+                            Last song ends in ${ infobar.end_personal_queue.secondsToMMSS() }$
+                        </p>
+                        <p v-else class="navbar-text mb-0 start-queue hidden-sm hidden-xs">
+                            Last song ends at ${ (infobar.now_in_seconds + infobar.end_personal_queue).timestampToHHMMSS() }$
+                        </p>
+                    </li>
+                    <li class="nav-item">
+                        <p class="navbar-text mb-0 duration-queue" v-bind:class="{danger: infobar.length_personal_queue > infobar.max_length * 60}">(${ infobar.length_personal_queue.secondsToMMSS() }$)</p>
+                    </li>
+                </template>
             </ul>
         </div>
     </nav>
@@ -87,22 +89,22 @@
                             <tr :class="{ marietjequeue: (song.user === null),
                                     underline_cell: (index === queue[-1]), 
                                     currentsong: (index === 0),}">
-                                <td class="artist"><% song.song.artist %></td>
-                                <td class="title"><% song.song.title %></td>
+                                <td class="artist">${ song.song.artist }$</td>
+                                <td class="title">${ song.song.title }$</td>
                                 <td class="d-sm-table-cell d-none requested-by">
                                     <template v-if="song.user === null">
                                         Marietje
                                     </template>
                                     <template v-else>
-                                        <% song.user.name %>
+                                        ${ song.user.name }$
                                     </template>
                                 </td>
                                 <td class="d-sm-table-cell d-none plays-at" style="text-align: right">
                                     <template v-if="song.time_until_song_seconds !== null && song.time_until_song_seconds > 0 && playsIn === true">
-                                        <% song.time_until_song_seconds.secondsToMMSS() %>
+                                        ${ song.time_until_song_seconds.secondsToMMSS() }$
                                     </template>
                                     <template v-else-if="playsIn === false && song.plays_at !== null && song.played === false">
-                                        <% song.plays_at.timestampToHHMMSS() %>
+                                        ${ song.plays_at.timestampToHHMMSS() }$
                                     </template>
                                 </td>
                                 <td>
@@ -177,7 +179,7 @@
                                 </select>
                                 <select class="pagenum input-mini" title="Select page number" v-model="page_number">
                                     <template v-for="(i, index) in number_of_pages">
-                                        <option :value="i"><% i %></option>
+                                        <option :value="i">${ i }$</option>
                                     </template>
                                 </select>
                             </th>
@@ -188,21 +190,21 @@
                         <template v-for="(song, index) in songs">
                             <tr>
                                 <td>
-                                    <% song.artist %>
+                                    ${ song.artist }$
                                 </td>
                                 <td>
-                                    <button v-on:click="request_song(song.id);" class="btn btn-link p-0 text-decoration-none"><% song.title %></button>
+                                    <button v-on:click="request_song(song.id);" class="btn btn-link p-0 text-decoration-none">${ song.title }$</button>
                                 </td>
                                 <td>
                                     <template v-if="song.user === null">
                                         Marietje
                                     </template>
                                     <template v-else>
-                                        <% song.user.name %>
+                                        ${ song.user.name }$
                                     </template>
                                 </td>
                                 <td>
-                                    <% song.duration.secondsToMMSS() %>
+                                    ${ song.duration.secondsToMMSS() }$
                                 </td>
                                 <td>
                                     <button v-on:click="report_song(song.id);" class="btn btn-link p-0 text-decoration-none">
@@ -226,18 +228,34 @@
         const CAN_MOVE = {{ perms.queues.can_move|yesno:"1,0" }};
     </script>
     <script>
-        const queue_vue = new Vue({
-            el: '#queue-container',
-            delimiters: ['<%', '%>'],
-            data: {
-                current_song: null,
-                queue: [],
-                user_data: null,
-                refreshing: true,
-                refreshTimer: null,
-                clockInterval: null,
-                started_at: null,
-                playsIn: true,
+        const personal_queue_vue = createApp({
+            delimiters: ['${', '}$'],
+            data() {
+                return {
+                    infobar: null,
+                }
+            },
+        }).mount('#personal-queue-container');
+        const queue_vue = createApp({
+            delimiters: ['${', '}$'],
+            data() {
+                return {
+                    current_song: null,
+                    queue: [],
+                    user_data: null,
+                    refreshing: true,
+                    refreshTimer: null,
+                    clockInterval: null,
+                    started_at: null,
+                    playsIn: true,
+                }
+            },
+            watch: {
+                playsIn: {
+                    handler(val, oldVal) {
+                        this.update_infobar();
+                    }
+                },
             },
             mounted() {
                 this.clockInterval = setInterval(this.update_song_times, 1000);
@@ -303,16 +321,14 @@
                         plays_in: this.playsIn,
                         now_in_seconds: 0,
                     }
-                    const now_in_seconds = Math.round((new Date()).getTime() / 1000);
-                    infoBar.now_in_seconds = now_in_seconds;
-                    let current_song_played = now_in_seconds - this.queue[0].started_at;
+                    infoBar.now_in_seconds = Math.round((new Date()).getTime() / 1000);
                     // If the current song is the current user's, their queue has started.
-                    if (this.queue[0].user.id == this.user_data.id) {
+                    if (this.queue[0].user.id === this.user_data.id) {
                         infoBar.start_personal_queue = 0;
                     }
                     for (let i = 0; i < this.queue.length; i++) {
                         const current_song = this.queue[i];
-                        if (i == 0) {
+                        if (i === 0) {
                             const current_song_remaining_seconds = current_song.song.duration - this.queue[1].time_until_song_seconds;
                             infoBar['length_personal_queue'] -= current_song_remaining_seconds;
                             infoBar['length_total_queue'] -= current_song_remaining_seconds;
@@ -322,11 +338,11 @@
                             infoBar['length_personal_queue'] +=  current_song.song.duration;
                             infoBar['end_personal_queue'] = infoBar['length_total_queue'];
                             if (infoBar['start_personal_queue'] === null) {
-                                infoBar['start_personal_queue'] = infoBar['length_total_queue'] - current_song.song.duration - this.queue[1].time_until_song_seconds
+                                infoBar['start_personal_queue'] = infoBar['length_total_queue'] - current_song.song.duration - this.queue[1].time_until_song_seconds;
                             }
                         }
                     }
-                    this.$emit("infobar", infoBar);
+                    personal_queue_vue.infobar = infoBar;
                 },
                 refresh() {
                     if (!this.refreshing) {
@@ -412,29 +428,20 @@
                     });
                 },
             }
-        });
-        const personal_queue_vue = new Vue({
-            el: '#personal-queue-container',
-            delimiters: ['<%', '%>'],
-            data: {
-                infobar: [],
-            },
-            mounted() {
-                queue_vue.$on("infobar", infoBar => this.infobar = infoBar);
-            }
-        });
+        }).mount("#queue-container");
     </script>
     <script>
-        const request_vue = new Vue({
-            el: '#request-container',
-            delimiters: ['<%', '%>'],
-            data: {
-                songs: [],
-                total_songs: 0,
-                search_input: "",
-                typing_timer: null,
-                page_size: 10,
-                page_number: 1,
+        const request_vue = createApp({
+            delimiters: ['${', '}$'],
+            data() {
+                return {
+                    songs: [],
+                    total_songs: 0,
+                    search_input: "",
+                    typing_timer: null,
+                    page_size: 10,
+                    page_number: 1,
+                }
             },
             watch: {
                 search_input: {
@@ -538,7 +545,8 @@
                             "Content-Type": 'application/json',
                         },
                     }).then(response => {
-                        if (response.status === 200) {
+                        // TODO: Communicate failure through HTTP error codes (403) instead of checking response.success.
+                        if (response.status === 200 && response.success) {
                             return response.json();
                         } else {
                             throw response;
@@ -597,7 +605,7 @@
                     this.page_number = page_number;
                 }
             }
-        });
+        }).mount('#request-container');
     </script>
     <script>
         function volume_down() {
diff --git a/marietje/songs/api/v1/views.py b/marietje/songs/api/v1/views.py
index 63c78a4..6a608bb 100644
--- a/marietje/songs/api/v1/views.py
+++ b/marietje/songs/api/v1/views.py
@@ -86,7 +86,7 @@ class SongUploadAPIView(APIView):
             song = upload_file(file, artist, title, request.user)
             upload_counter.inc()
             return Response(status=200, data=self.serializer_class(song).data)
-        except UploadException:
+        except (UploadException, ConnectionRefusedError):
             return Response(
                 status=500,
                 data={
diff --git a/marietje/songs/templates/songs/manage.html b/marietje/songs/templates/songs/manage.html
index 853fe43..b210358 100644
--- a/marietje/songs/templates/songs/manage.html
+++ b/marietje/songs/templates/songs/manage.html
@@ -41,7 +41,7 @@
                             </select>
                             <select class="pagenum input-mini" title="Select page number" v-model="page_number">
                                 <template v-for="(i, index) in number_of_pages">
-                                    <option :value="i"><% i %></option>
+                                    <option :value="i">${ i }$</option>
                                 </template>
                             </select>
                         </th>
@@ -52,10 +52,10 @@
                     <template v-for="(song, index) in songs">
                         <tr>
                             <td>
-                                <% song.artist %>
+                                ${ song.artist }$
                             </td>
                             <td>
-                                <a :href="'/songs/edit/' + song.id + '/'" v-on:click="request_song(song.id);"><% song.title %></a>
+                                <a :href="'/songs/edit/' + song.id + '/'" v-on:click="request_song(song.id);">${ song.title }$</a>
                             </td>
                         </tr>
                     </template>
@@ -64,17 +64,18 @@
         </div>
     </div>
     <script>
-        let manage_vue = new Vue({
-            el: '#request-table',
-            delimiters: ['<%', '%>'],
-            data: {
-                songs: [],
-                total_songs: 0,
-                search_input: "",
-                typing_timer: null,
-                page_size: 10,
-                page_number: 1,
-                user_data: null,
+        let manage_vue = createApp({
+            delimiters: ['${', '}$'],
+            data() {
+                return {
+                    songs: [],
+                    total_songs: 0,
+                    search_input: "",
+                    typing_timer: null,
+                    page_size: 10,
+                    page_number: 1,
+                    user_data: null,
+                }
             },
             watch: {
                 search_input: {
@@ -167,6 +168,6 @@
                     this.page_number = page_number;
                 }
             }
-        });
+        }).mount('#request-table');
     </script>
 {% endblock %}
diff --git a/marietje/songs/templates/songs/upload.html b/marietje/songs/templates/songs/upload.html
index 7fb1447..b28f8e7 100644
--- a/marietje/songs/templates/songs/upload.html
+++ b/marietje/songs/templates/songs/upload.html
@@ -16,9 +16,12 @@
                             {% csrf_token %}
                             <div class="fileupload fileupload-new" data-provides="fileupload">
                                 <span class="btn btn-primary btn-file">
-                                    <span v-if="fileObjects.length === 0">
+                                    <span v-if="fileObjects.length === 0 && !files_loading">
                                         Select files
                                     </span>
+                                    <span v-else-if="files_loading">
+                                        Loading new files...
+                                    </span>
                                     <span v-else>
                                         Change
                                     </span>
@@ -29,26 +32,35 @@
                             <div class="songs">
                                 <div v-for="fileObject in fileObjects" class="song-container card mb-3">
                                     <div class="card-header">
-                                        <h3><% fileObject.name %></h3>
+                                        <h3>${ fileObject.name }$</h3>
                                     </div>
                                     <div class="card-body">
                                         <div class="form-group mb-3">
-                                            <div v-if="fileObject.artist === '' || fileObject.artist === null" class="alert alert-danger">Please enter an artist for this song.</div>
-                                            <input v-if="upload_in_progress || uploaded" type="text" name="artist[]" class="form-control input-sm artist" disabled
+                                            <div v-if="fileObject.artist === '' || fileObject.artist === null"
+                                                 class="alert alert-danger">Please enter an artist for this song.
+                                            </div>
+                                            <input v-if="upload_in_progress || uploaded" type="text" name="artist[]"
+                                                   class="form-control input-sm artist" disabled
                                                    placeholder="Artist" v-model="fileObject.artist"/>
-                                            <input v-else type="text" name="artist[]" class="form-control input-sm artist"
+                                            <input v-else type="text" name="artist[]"
+                                                   class="form-control input-sm artist"
                                                    placeholder="Artist" v-model="fileObject.artist"/>
                                         </div>
                                         <div class="form-group mb-3">
-                                            <div v-if="fileObject.title === '' || fileObject.title === null" class="alert alert-danger">Please enter a title for this song.</div>
-                                            <input v-if="upload_in_progress || uploaded" type="text" name="title[]" class="form-control input-sm title" disabled
+                                            <div v-if="fileObject.title === '' || fileObject.title === null"
+                                                 class="alert alert-danger">Please enter a title for this song.
+                                            </div>
+                                            <input v-if="upload_in_progress || uploaded" type="text" name="title[]"
+                                                   class="form-control input-sm title" disabled
                                                    placeholder="Title" v-model="fileObject.title"/>
                                             <input v-else type="text" name="title[]" class="form-control input-sm title"
                                                    placeholder="Title" v-model="fileObject.title"/>
                                         </div>
                                         <template v-if="fileObject.upload_finished === true">
-                                            <div v-if="fileObject.success === true" class="alert alert-success">Upload finished successfully.</div>
-                                            <div v-else class="alert alert-danger"><% fileObject.error_message %></div>
+                                            <div v-if="fileObject.success === true" class="alert alert-success">Upload
+                                                finished successfully.
+                                            </div>
+                                            <div v-else class="alert alert-danger">${ fileObject.error_message }$</div>
                                         </template>
                                     </div>
                                 </div>
@@ -56,14 +68,20 @@
                         </div>
                         <div class="card-footer">
                             <div class="progress mt-2 mb-3">
-                                <div :class="{ 'progress-bar-animated': (upload_in_progress), 'bg-success': (uploaded && everything_successfully_uploaded), 'bg-danger': (uploaded && !everything_successfully_uploaded) }" class="progress-bar progress-bar-striped" role="progressbar" :style="{ width: (progress_bar_width + '%') }" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
+                                <div :class="{ 'progress-bar-animated': (upload_in_progress), 'bg-success': (uploaded && everything_successfully_uploaded), 'bg-danger': (uploaded && !everything_successfully_uploaded) }"
+                                     class="progress-bar progress-bar-striped" role="progressbar"
+                                     :style="{ width: (progress_bar_width + '%') }" aria-valuenow="50" aria-valuemin="0"
+                                     aria-valuemax="100"></div>
                             </div>
                             <template v-if="upload_in_progress || uploaded">
-                                <button v-if="uploaded" class="btn btn-primary btn-block w-100" v-on:click="clear">Clear</button>
+                                <button v-if="uploaded" class="btn btn-primary btn-block w-100" v-on:click="clear">
+                                    Clear
+                                </button>
                                 <button v-else class="btn btn-primary btn-block w-100 disabled">Clear</button>
                             </template>
                             <template v-else>
-                                <input v-if="ready_for_upload" id="upload" class="btn btn-primary btn-block w-100" type="submit" value="Upload" v-on:click="upload"/>
+                                <input v-if="ready_for_upload" id="upload" class="btn btn-primary btn-block w-100"
+                                       type="submit" value="Upload" v-on:click="upload"/>
                                 <button v-else class="btn btn-primary btn-block w-100 disabled">Upload</button>
                             </template>
                         </div>
@@ -73,20 +91,21 @@
         </div>
     </div>
     <link rel="stylesheet" href="{% static 'songs/css/upload.css' %}"/>
-    <script type="module">
-        import * as id3 from '//unpkg.com/id3js@^2/lib/id3.js';
-
-        let upload_vue = new Vue({
-            el: '#uploadform',
-            delimiters: ['<%', '%>'],
-            data: {
-                files: [],
-                fileObjects: [],
-                uploaded: false,
-                upload_in_progress: false,
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jsmediatags/3.9.5/jsmediatags.min.js"></script>
+    <script>
+        let upload_vue = createApp({
+            delimiters: ['${', '}$'],
+            data() {
+                return {
+                    files: [],
+                    fileObjects: [],
+                    uploaded: false,
+                    upload_in_progress: false,
+                    files_loading: false,
+                }
             },
             computed: {
-                ready_for_upload: function() {
+                ready_for_upload: function () {
                     if (this.uploaded !== false || this.upload_in_progress !== false || this.fileObjects.length === 0) {
                         return false;
                     } else {
@@ -98,14 +117,14 @@
                         return true;
                     }
                 },
-                everything_successfully_uploaded: function() {
+                everything_successfully_uploaded: function () {
                     return this.fileObjects.map((fileObject) => {
                         return fileObject.upload_finished === true && fileObject.success === true;
                     }).reduce((previousValue, currentValue) => {
                         return previousValue && currentValue;
                     }, true);
                 },
-                progress_bar_width: function() {
+                progress_bar_width: function () {
                     if (this.fileObjects.length === 0) {
                         return 0;
                     }
@@ -158,14 +177,20 @@
                         }).then(() => {
                             this.fileObjects[i].success = true;
                         }).catch(e => {
+                            console.log(e);
                             if (e instanceof Response) {
-                                e.json().then(data => {
-                                    this.fileObjects.error_message = data.errorMessage;
-                                    this.fileObjects.success = false;
-                                });
+                                try {
+                                    e.json().then(data => {
+                                        this.fileObjects[i].error_message = data.errorMessage;
+                                        this.fileObjects[i].success = false;
+                                    });
+                                } catch {
+                                    this.fileObjects[i].error_message = "An exception occurred while uploading this file, please try again.";
+                                    this.fileObjects[i].success = false;
+                                }
                             } else {
-                                this.fileObjects.error_message = "An exception occurred while uploading this file, please try again.";
-                                this.fileObjects.success = false;
+                                this.fileObjects[i].error_message = "An exception occurred while uploading this file, please try again.";
+                                this.fileObjects[i].success = false;
                             }
                         }).finally(() => {
                             this.fileObjects[i].upload_finished = true;
@@ -177,23 +202,25 @@
                     });
                 },
                 async set_new_files(event) {
+                    this.files_loading = true;
+                    this.uploaded = false;
+                    this.upload_in_progress = false;
                     this.files = event.target.files;
                     let newFileObjects = [];
                     for (let i = 0; i < this.files.length; i++) {
-                        try {
-                            const tags = await this.parseSong(this.files[i]);
+                        await this.parseSong(this.files[i]).then((song) => {
                             newFileObjects.push(
                                 {
                                     "file": this.files[i],
                                     "name": this.files[i].name,
-                                    "artist": tags.artist,
-                                    "title": tags.title,
+                                    "artist": song.artist,
+                                    "title": song.title,
                                     "success": null,
                                     "error_message": null,
                                     "upload_finished": false,
                                 }
                             );
-                        } catch {
+                        }).catch(() => {
                             newFileObjects.push(
                                 {
                                     "file": this.files[i],
@@ -205,14 +232,28 @@
                                     "upload_finished": false,
                                 }
                             )
-                        }
+                        });
                     }
                     this.fileObjects = newFileObjects;
+                    this.files_loading = false;
                 },
-                parseSong(file) {
-                    return id3.fromFile(file);
+                async parseSong(file) {
+                    let jsMediaTags = window.jsmediatags;
+
+                    const tags = await new Promise((resolve, reject) => {
+                        jsMediaTags.read(file, {
+                            onSuccess: function (tag) {
+                                resolve(tag);
+                            },
+                            onError: function (error) {
+                                reject(error);
+                            }
+                        });
+                    });
+
+                    return tags.tags;
                 }
             }
-        });
+        }).mount('#uploadform');
     </script>
 {% endblock %}
diff --git a/pyproject.toml b/pyproject.toml
index 5cdc0b1..57ad466 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.poetry]
-name = "MarietjeDjango"
+name = "marietje"
 version = "4.1.0"
 description = "A music player for the south canteen of the Huygens building"
 authors = [
@@ -11,7 +11,7 @@ authors = [
 	"Lars van Rhijn <l.vanrhijn@student.science.ru.nl>",
 ]
 maintainers = [
-	"Kees van Kempen <ru@keesvankempen.nl",
+	"Kees van Kempen <ru@keesvankempen.nl>",
 	"Lars van Rhijn <l.vanrhijn@student.science.ru.nl>",
 ]
 readme = "README.md"