diff --git a/node-server/assets/muddy_files.html b/node-server/assets/muddy_files.html
index bc0822c..2c5bf7f 100644
--- a/node-server/assets/muddy_files.html
+++ b/node-server/assets/muddy_files.html
@@ -43,7 +43,9 @@
       <button id="forward">10s +</button>
     </div>
 
-    
+    <audio id="audio" 
+       src="muddy_files.mp3" 
+       data-reverse-src="muddy_files_reverse.mp3"></audio>
 
   </main>
 
diff --git a/node-server/assets/script.js b/node-server/assets/script.js
index 56b3d1e..634403a 100644
--- a/node-server/assets/script.js
+++ b/node-server/assets/script.js
@@ -1,4 +1,4 @@
-/* // 1. Sélection des éléments DOM
+// 1. Sélection des éléments DOM
 const vinyl = document.getElementById('vinyl');
 const audio = document.getElementById('audio');
 const progress = document.getElementById('progress');
@@ -148,157 +148,4 @@ audio.addEventListener('ended', () => {
   } else {
     isPlaying = false;
   }
-}); */
-
-// === Variables DOM ===
-const vinyl = document.getElementById('vinyl');
-const progress = document.getElementById('progress');
-const currentTimeEl = document.getElementById('currentTime');
-const durationEl = document.getElementById('duration');
-const backwardBtn = document.getElementById('backward');
-const forwardBtn = document.getElementById('forward');
-const loopBtn = document.getElementById('loop');
-
-// === Web Audio ===
-let audioCtx;
-let buffer;
-let source;
-let startTime = 0;
-let offset = 0;
-let isPlaying = false;
-let playbackRate = 1;
-let isLooping = false;
-
-// === Socket + Vitesse ===
-let idleTimeout = null;
-let lastPosition = null;
-let lastTime = null;
-
-// === Initialisation Audio (doit être déclenchée par une interaction utilisateur) ===
-async function initAudio() {
-  audioCtx = new (window.AudioContext || window.webkitAudioContext)();
-  const response = await fetch('muddy_files.mp3'); // adapte ici
-  const arrayBuffer = await response.arrayBuffer();
-  buffer = await audioCtx.decodeAudioData(arrayBuffer);
-  durationEl.textContent = formatTime(buffer.duration);
-}
-
-// === Lecture ===
-function startPlayback() {
-  if (isPlaying || !buffer) return;
-  source = audioCtx.createBufferSource();
-  source.buffer = buffer;
-  source.playbackRate.value = playbackRate;
-  source.loop = isLooping;
-  source.connect(audioCtx.destination);
-  source.start(0, offset);
-  startTime = audioCtx.currentTime;
-  isPlaying = true;
-
-  source.onended = () => {
-    isPlaying = false;
-    if (isLooping) {
-      offset = 0;
-      startPlayback();
-    }
-  };
-}
-
-function stopPlayback() {
-  if (!isPlaying) return;
-  source.stop();
-  offset += (audioCtx.currentTime - startTime) * playbackRate;
-  isPlaying = false;
-}
-
-function updateSpeed(speed) {
-  const MIN_SPEED = 1;
-  const MAX_SPEED = 100;
-
-  if (Math.abs(speed) < MIN_SPEED) {
-    stopPlayback();
-    return;
-  }
-
-  let normSpeed = Math.min(Math.max(speed, MIN_SPEED), MAX_SPEED);
-  playbackRate = 0.5 + ((normSpeed - MIN_SPEED) / (MAX_SPEED - MIN_SPEED)) * 0.5;
-
-  if (isPlaying) {
-    stopPlayback();
-    startPlayback();
-  }
-}
-
-// === Socket.io ===
-const socket = io();
-
-socket.on('position', (position) => {
-  const now = Date.now();
-
-  if (lastPosition !== null && lastTime !== null) {
-    const deltaPos = position - lastPosition;
-    const deltaTime = (now - lastTime) / 1000;
-    const speed = deltaPos / deltaTime;
-
-    clearTimeout(idleTimeout);
-
-    if (Math.abs(speed) < 1) {
-      stopPlayback();
-      return;
-    }
-
-    if (speed < 0) {
-      stopPlayback();
-      offset = Math.max(0, offset + speed * 0.01); // ajuste sensibilité
-    } else {
-      updateSpeed(speed);
-    }
-  }
-
-  lastPosition = position;
-  lastTime = now;
-
-  idleTimeout = setTimeout(() => {
-    stopPlayback();
-  }, 300);
-});
-
-// === Contrôles UI ===
-vinyl.addEventListener('click', () => {
-  if (!audioCtx) initAudio().then(startPlayback);
-  else if (isPlaying) stopPlayback();
-  else startPlayback();
-});
-
-backwardBtn.addEventListener('click', () => {
-  offset = Math.max(0, offset - 10);
-});
-
-forwardBtn.addEventListener('click', () => {
-  offset = Math.min(buffer.duration, offset + 10);
-});
-
-loopBtn.addEventListener('click', () => {
-  isLooping = !isLooping;
-  loopBtn.style.backgroundColor = isLooping ? 'white' : 'transparent';
-  loopBtn.style.color = isLooping ? '#18344b' : 'white';
-});
-
-// === Affichage rotation & temps ===
-function formatTime(time) {
-  const minutes = Math.floor(time / 60);
-  const seconds = Math.floor(time % 60);
-  return `${minutes}:${seconds < 10 ? '0' : ''}${seconds}`;
-}
-
-function updateVinylRotation() {
-  if (!buffer) return;
-  currentRotation = (offset / buffer.duration) * 360 * 3;
-  vinyl.style.transform = `rotate(${currentRotation}deg)`;
-}
-
-setInterval(() => {
-  if (isPlaying) updateVinylRotation();
-  currentTimeEl.textContent = formatTime(offset + (audioCtx.currentTime - startTime) * playbackRate);
-}, 100);
-
+});