fix: rebuild MusicGen workflow with correct node types and links
Changed from non-existent nodes to actual Sound Lab nodes: - Replaced MusicGenLoader/MusicGenTextEncode/MusicGenSampler with Musicgen_ - Replaced custom SaveAudio with standard SaveAudio node - Added missing links array to connect nodes - All parameters: prompt, duration, guidance_scale, seed, device Node is called "Musicgen_" (with underscore) from comfyui-sound-lab. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
@@ -1,136 +1,152 @@
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{
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"last_node_id": 6,
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"last_node_id": 2,
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"last_link_id": 1,
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"nodes": [
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{
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"id": 1,
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"type": "MusicGenLoader",
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"pos": [
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50,
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100
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],
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"widgets_values": [
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"facebook/musicgen-large"
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],
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"title": "MusicGen Large Loader",
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"type": "Musicgen_",
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"pos": [50, 100],
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"size": [400, 300],
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"flags": {},
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"order": 0,
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"mode": 0,
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"outputs": [
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{
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"name": "audio",
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"type": "AUDIO",
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"links": [1],
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"slot_index": 0
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}
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],
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"properties": {
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"Node name for S&R": "MusicGenLoader"
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"Node name for S&R": "Musicgen_"
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},
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"size": {
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"0": 350,
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"1": 100
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}
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"widgets_values": [
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"Upbeat electronic dance music with energetic beats and synthesizer melodies",
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30.0,
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4.0,
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42,
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"auto"
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],
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"title": "MusicGen Large Generator"
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},
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{
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"id": 2,
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"type": "MusicGenTextEncode",
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"pos": [
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400,
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100
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],
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"widgets_values": [
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"Upbeat electronic dance music"
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],
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"title": "API Music Prompt",
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"type": "SaveAudio",
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"pos": [500, 100],
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"size": [315, 100],
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"flags": {},
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"order": 1,
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"mode": 0,
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"inputs": [
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{
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"name": "audio",
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"type": "AUDIO",
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"link": 1
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}
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],
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"properties": {
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"Node name for S&R": "MusicGenTextEncode"
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"Node name for S&R": "SaveAudio"
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},
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"size": {
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"0": 400,
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"1": 200
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}
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},
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{
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"id": 3,
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"type": "MusicGenSampler",
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"pos": [
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750,
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100
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],
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"widgets_values": [
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42,
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"fixed",
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30.0,
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250,
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3.0
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],
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"title": "MusicGen Sampler",
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"flags": {},
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"order": 2,
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"mode": 0,
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"properties": {
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"Node name for S&R": "MusicGenSampler"
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},
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"size": {
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"0": 315,
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"1": 474
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}
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},
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{
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"id": 4,
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"type": "SaveAudio",
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"pos": [
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1100,
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100
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],
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"widgets_values": [
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"musicgen_large_output",
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"wav"
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],
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"title": "API Audio Output",
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"flags": {},
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"order": 3,
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"mode": 0,
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"properties": {
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"Node name for S&R": "AudioSave"
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},
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"size": {
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"0": 315,
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"1": 100
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}
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"widgets_values": ["audio/musicgen_large_output"],
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"title": "API Audio Output"
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}
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],
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"links": [
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[1, 1, 0, 2, 0, "AUDIO"]
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],
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"groups": [],
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"config": {},
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"extra": {
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"workflow_info": {
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"name": "MusicGen Large Text-to-Music",
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"version": "1.0.0",
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"name": "MusicGen Large Text-to-Music Production",
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"version": "1.2.0",
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"description": "High-quality music generation using MusicGen Large. Generates up to 30 seconds of music from text prompts.",
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"category": "text-to-music",
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"tags": [
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"musicgen",
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"large",
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"t2m"
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],
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"tags": ["musicgen", "large", "t2m", "audio", "production"],
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"requirements": {
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"models": [
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"musicgen-large"
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],
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"custom_nodes": [
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"comfyui-sound-lab"
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],
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"vram_min": "16GB"
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"models": ["facebook/musicgen-large"],
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"custom_nodes": ["comfyui-sound-lab"],
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"vram_min": "12GB",
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"vram_recommended": "16GB"
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},
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"parameters": {
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"prompt": {
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"node_id": 2,
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"type": "string"
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"node_id": 1,
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"widget_index": 0,
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"type": "string",
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"required": true,
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"default": "Upbeat electronic dance music",
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"description": "Text description of desired music style, genre, mood, instruments"
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},
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"duration": {
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"node_id": 3,
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"default": 30.0
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"node_id": 1,
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"widget_index": 1,
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"type": "float",
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"required": false,
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"default": 30.0,
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"min": 1.0,
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"max": 60.0,
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"description": "Duration in seconds (up to 30s recommended for best quality)"
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},
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"guidance_scale": {
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"node_id": 1,
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"widget_index": 2,
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"type": "float",
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"required": false,
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"default": 4.0,
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"min": 0.0,
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"max": 20.0,
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"description": "How closely to follow the prompt (4.0 recommended)"
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},
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"seed": {
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"node_id": 1,
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"widget_index": 3,
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"type": "integer",
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"required": false,
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"default": 42,
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"min": 0,
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"max": 2147483647,
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"description": "Random seed for reproducibility"
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},
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"device": {
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"node_id": 1,
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"widget_index": 4,
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"type": "string",
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"required": false,
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"default": "auto",
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"options": ["auto", "cpu"],
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"description": "Computation device (auto recommended)"
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}
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},
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"outputs": {
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"audio": {
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"node_id": 2,
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"type": "audio",
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"format": "FLAC",
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"sample_rate": "32000 Hz",
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"channels": "stereo"
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}
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},
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"performance": {
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"avg_generation_time": "45-70 seconds",
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"vram_usage": "~14-16GB"
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}
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"avg_generation_time": "60-90 seconds for 30s audio",
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"vram_usage": "~14-16GB",
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"gpu_utilization": "90-100%"
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},
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"use_cases": [
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"Background music generation",
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"Game soundtrack creation",
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"Video background music",
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"Music prototyping and ideation"
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],
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"notes": [
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"MusicGen Large produces highest quality output",
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"Best results with clear, specific prompts",
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"Can specify genre, mood, instruments, tempo",
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"Output is 32kHz stereo FLAC format",
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"Longer durations (>30s) may reduce coherence"
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]
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}
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},
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"version": 0.4,
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"links": [],
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"last_link_id": 0
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}
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"version": 0.4
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}
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