diff --git a/music_composer/score.json b/music_composer/score.json
new file mode 100644
index 0000000..afbf4dc
--- /dev/null
+++ b/music_composer/score.json
@@ -0,0 +1,97 @@
+{
+  "tempo": 80,
+  "timeSignature": [4, 4],
+  "tracks": [
+    {
+      "name": "Eerie Lead",
+      "instrument": {
+        "type": "AMSynth",
+        "options": {
+          "harmonicity": 3.5,
+          "oscillator": { "type": "sine" },
+          "envelope": { "attack": 0.1, "decay": 0.2, "sustain": 0.8, "release": 1.5 },
+          "modulation": { "type": "square" },
+          "modulationEnvelope": { "attack": 0.5, "decay": 0, "sustain": 1, "release": 0.5 }
+        }
+      },
+      "effects": [
+        { "type": "FeedbackDelay", "options": { "delayTime": "16n", "feedback": 0.2 } },
+        { "type": "Freeverb", "options": { "roomSize": 0.8, "dampening": 3000 } }
+      ],
+      "volume": -15,
+      "notes": [
+        { "pitch": "D#4", "duration": "2n", "time": 0 },
+        { "pitch": "E4", "duration": "4n", "time": "0:2" },
+        { "pitch": "F4", "duration": "2n", "time": "1:0" },
+        { "pitch": "D4", "duration": "4n", "time": "1:2" },
+        { "pitch": "C#4", "duration": "2n", "time": "2:0" },
+        { "pitch": "C4", "duration": "4n", "time": "2:2" },
+        { "pitch": "B3", "duration": "2n", "time": "3:0" }
+      ]
+    },
+    {
+      "name": "Unsettling Bass",
+      "instrument": {
+        "type": "FMSynth",
+        "options": {
+          "modulationIndex": 10,
+          "oscillator": { "type": "triangle" },
+          "envelope": { "attack": 0.01, "decay": 0.2, "sustain": 0.9, "release": 0.4 },
+          "modulation": { "type": "sawtooth" },
+          "modulationEnvelope": { "attack": 0.5, "decay": 0, "sustain": 1, "release": 0.5 }
+        }
+      },
+      "effects": [
+        { "type": "Distortion", "options": { "distortion": 0.3 } },
+        { "type": "BitCrusher", "options": { "bits": 6 } }
+      ],
+      "volume": -20,
+      "notes": [
+        { "pitch": "A1", "duration": "1m", "time": 0 },
+        { "pitch": "G#1", "duration": "1m", "time": "1:0" },
+        { "pitch": "G1", "duration": "1m", "time": "2:0" },
+        { "pitch": "F#1", "duration": "1m", "time": "3:0" }
+      ]
+    },
+    {
+      "name": "Creepy Atmosphere",
+      "instrument": {
+        "type": "NoiseSynth",
+        "options": {
+          "noise": { "type": "brown" },
+          "envelope": { "attack": 0.5, "decay": 0.2, "sustain": 0.8, "release": 2 }
+        }
+      },
+      "effects": [
+        { "type": "AutoFilter", "options": { "frequency": "16n", "baseFrequency": 200, "octaves": 4 } },
+        { "type": "PingPongDelay", "options": { "delayTime": "8n", "feedback": 0.3 } }
+      ],
+      "volume": -30,
+      "notes": [
+        { "pitch": "C2", "duration": "4m", "time": 0 }
+      ]
+    },
+    {
+      "name": "Sudden Stabs",
+      "instrument": { 
+        "type": "MetalSynth",
+        "options": {
+          "frequency": 200,
+          "envelope": { "attack": 0.001, "decay": 0.1, "release": 0.2 },
+          "harmonicity": 5.1,
+          "modulationIndex": 32,
+          "resonance": 4000,
+          "octaves": 1.5
+        }
+      },
+      "volume": -15,
+      "notes": [
+        { "pitch": "C5", "duration": "32n", "time": "0:3.5" },
+        { "pitch": "C5", "duration": "32n", "time": "1:3" },
+        { "pitch": "C5", "duration": "32n", "time": "2:2.5" },
+        { "pitch": "C5", "duration": "32n", "time": "3:1" },
+        { "pitch": "C5", "duration": "32n", "time": "3:3.75" }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/music_composer/tonejsmusic_player_robust.html b/music_composer/tonejsmusic_player_robust.html
new file mode 100644
index 0000000..bba7762
--- /dev/null
+++ b/music_composer/tonejsmusic_player_robust.html
@@ -0,0 +1,136 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Advanced Tone.js JSON Score Player</title>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.min.js"></script>
+    <style>
+        body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; }
+        h1 { text-align: center; }
+        button { font-size: 1.2em; padding: 10px 20px; margin: 10px; }
+        #controls { text-align: center; margin-bottom: 20px; }
+        #visualizer { width: 100%; height: 200px; background-color: #f0f0f0; }
+    </style>
+</head>
+<body>
+    <h1>Advanced Tone.js JSON Score Player</h1>
+    <div id="controls">
+        <button id="playBtn">Play</button>
+        <button id="stopBtn">Stop</button>
+        <button id="rewindBtn">Rewind</button>
+    </div>
+    <canvas id="visualizer"></canvas>
+
+    <script>
+        let score;
+        let tracks;
+
+        // Load the JSON file
+        fetch('score.json')
+            .then(response => response.json())
+            .then(data => {
+                score = data;
+                initializePlayer();
+            })
+            .catch(error => console.error('Error loading the score:', error));
+
+        function initializePlayer() {
+            // Create instruments, effects chains, and sequences for each track
+            tracks = score.tracks.map(track => {
+                const instrument = new Tone[track.instrument.type](track.instrument.options).toDestination();
+                instrument.volume.value = track.volume;
+
+                // Create effects chain
+                if (track.effects && track.effects.length > 0) {
+                    const effectsChain = track.effects.map(effect => new Tone[effect.type](effect.options));
+                    instrument.chain(...effectsChain, Tone.Destination);
+                }
+
+                // Create sequence
+                const seq = new Tone.Sequence((time, note) => {
+                    instrument.triggerAttackRelease(note.pitch, note.duration, time);
+                }, track.notes.map(note => ({
+                    pitch: note.pitch,
+                    duration: note.duration,
+                    time: Tone.Time(note.time).toSeconds()
+                })), "4n");
+
+                return { instrument, seq };
+            });
+
+            // Set up transport
+            Tone.Transport.timeSignature = score.timeSignature;
+            Tone.Transport.bpm.value = score.tempo;
+
+            // Set up visualizer
+            const visualizer = document.getElementById('visualizer');
+            const canvasContext = visualizer.getContext('2d');
+            const analyser = new Tone.Analyser('waveform', 256);
+
+            // Connect the master output to the analyser
+            Tone.Destination.connect(analyser);
+
+            function drawVisualizer() {
+                requestAnimationFrame(drawVisualizer);
+
+                const width = visualizer.width;
+                const height = visualizer.height;
+                const values = analyser.getValue();
+                const bufferLength = analyser.size;
+
+                canvasContext.clearRect(0, 0, width, height);
+                canvasContext.beginPath();
+
+                const sliceWidth = width / bufferLength;
+                let x = 0;
+
+                for (let i = 0; i < bufferLength; i++) {
+                    const v = values[i] / 2 + 0.5;
+                    const y = v * height;
+
+                    if (i === 0) {
+                        canvasContext.moveTo(x, y);
+                    } else {
+                        canvasContext.lineTo(x, y);
+                    }
+
+                    x += sliceWidth;
+                }
+
+                canvasContext.lineTo(width, height / 2);
+                canvasContext.strokeStyle = 'rgb(0, 0, 0)';
+                canvasContext.stroke();
+            }
+
+            // Set up play, stop, and rewind buttons
+            document.getElementById('playBtn').addEventListener('click', async () => {
+                await Tone.start();
+                Tone.Transport.start();
+                tracks.forEach(track => track.seq.start(0));
+                drawVisualizer();
+            });
+
+            document.getElementById('stopBtn').addEventListener('click', () => {
+                Tone.Transport.stop();
+                tracks.forEach(track => track.seq.stop());
+            });
+
+            document.getElementById('rewindBtn').addEventListener('click', () => {
+                Tone.Transport.position = 0;
+            });
+
+            // Set up the canvas size
+            function resizeCanvas() {
+                visualizer.width = visualizer.clientWidth * window.devicePixelRatio;
+                visualizer.height = visualizer.clientHeight * window.devicePixelRatio;
+                canvasContext.scale(window.devicePixelRatio, window.devicePixelRatio);
+            }
+
+            // Call resizeCanvas initially and on window resize
+            resizeCanvas();
+            window.addEventListener('resize', resizeCanvas);
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file
