diff --git a/javascript/music-player.js b/javascript/music-player.js
index cb4e2dc..1069bff 100644
--- a/javascript/music-player.js
+++ b/javascript/music-player.js
@@ -14,21 +14,27 @@ let NAV_PREV = document.getElementById("navMusicPrevious");
 
 
 // ===============================
-// URL SANITIZER
+// UNIVERSAL AUDIO URL SANITIZER
 // ===============================
-function sanitizeMp3Url(raw) {
+function sanitizeAudioUrl(raw) {
   if (!raw) return null;
 
-  // Reject invalid placeholders
+  // Reject placeholders or HTML anchors
   if (raw === "#" || raw === "/" || raw === "./" || raw === "../") return null;
 
-  // Reject URLs that are not MP3 files
-  if (!raw.endsWith(".mp3")) return null;
+  // Allowed audio extensions
+  const audioExtensions = [
+    ".mp3", ".ogg", ".wav", ".m4a", ".aac", ".flac", ".opus", ".webm"
+  ];
 
-  // If JSON gives absolute URL
+  const lower = raw.toLowerCase();
+  const isAudio = audioExtensions.some(ext => lower.endsWith(ext));
+  if (!isAudio) return null;
+
+  // Absolute URL
   if (raw.startsWith("http")) return raw;
 
-  // If JSON gives /music/... or /audio/...
+  // JSON gives /music/... or /audio/...
   if (raw.startsWith("/")) {
     return "https://frutigeraeroarchive.org" + raw;
   }
@@ -39,10 +45,13 @@ function sanitizeMp3Url(raw) {
 
 
 // ===============================
-// LOAD MUSIC DATA
+// LOAD MUSIC DATA (CORS PROXY)
 // ===============================
 async function loadMusicData() {
-  const response = await fetch("https://frutigeraeroarchive.org/data/music.min.json");
+  const response = await fetch(
+    "https://corsproxy.io/?url=https%3A%2F%2Ffrutigeraeroarchive.org%2Fdata%2Fmusic.min.json"
+  );
+
   const data = await response.json();
 
   const section = data.ols.find(item => item["@id"] === "frutigerAeroBliss");
@@ -51,22 +60,15 @@ async function loadMusicData() {
   // KEEP JSON ORDER EXACTLY, but filter invalid URLs
   return section.li
   .map(item => {
-    const fixedUrl = sanitizeMp3Url(item.a["@data-src-mp3"]);
+    const fixedUrl = sanitizeAudioUrl(item.a["@data-src-mp3"]);
     if (!fixedUrl) return null;
 
     return {
-      title: item.a.title,
-      url: fixedUrl,
-      background: item.a["@data-background"] || "",
-      artist: item.a["@data-artist"] || "",
-      spotify: item.a["@data-spotify"] || "",
-      youtube: item.a["@data-youtube"] || "",
-      description: item.a["@data-description"] || "",
-      copyright: item.a["@data-copyright"] || "",
-      date: item.a["@data-date"] || ""
+      ...item.a,
+      "@data-src-mp3": fixedUrl
     };
   })
-  .filter(Boolean); // remove null entries
+  .filter(Boolean);
 }
 
 
@@ -90,7 +92,7 @@ function createAlbum(album) {
   small.textContent = album.small;
   list.appendChild(small);
 
-  // Build playlist in EXACT JSON ORDER
+  // Build playlist ONLY from valid songs
   album.li.forEach((song, index) => {
     const li = document.createElement("li");
     const a = document.createElement("a");
@@ -98,7 +100,6 @@ function createAlbum(album) {
     a.textContent = song.a.title;
     a.href = "#";
 
-    // Apply metadata
     for (const key in song.a) {
       if (key.startsWith("@data-")) {
         a.setAttribute(key.replace("@", ""), song.a[key]);
@@ -121,7 +122,6 @@ function createAlbum(album) {
     });
   });
 
-  // ALWAYS START AT SONG 0
   currentSongIndex = 0;
   updateSong(0);
 }