{ "last_node_id": 2, "last_link_id": 1, "nodes": [ { "id": 1, "type": "Musicgen_", "pos": [50, 100], "size": [400, 300], "flags": {}, "order": 0, "mode": 0, "outputs": [ { "name": "audio", "type": "AUDIO", "links": [1], "slot_index": 0 } ], "properties": { "Node name for S&R": "Musicgen_" }, "widgets_values": [ "Upbeat electronic dance music with energetic beats and synthesizer melodies", 30.0, 4.0, 42, "auto" ], "title": "MusicGen Large Generator" }, { "id": 2, "type": "AudioPlay", "pos": [500, 100], "size": [315, 100], "flags": {}, "order": 1, "mode": 0, "inputs": [ { "name": "audio", "type": "AUDIO", "link": 1 } ], "properties": { "Node name for S&R": "AudioPlay" }, "title": "API Audio Output" } ], "links": [ [1, 1, 0, 2, 0, "AUDIO"] ], "groups": [], "config": {}, "extra": { "workflow_info": { "name": "MusicGen Large Text-to-Music Production", "version": "1.2.0", "description": "High-quality music generation using MusicGen Large. Generates up to 30 seconds of music from text prompts.", "category": "text-to-music", "tags": ["musicgen", "large", "t2m", "audio", "production"], "requirements": { "models": ["facebook/musicgen-large"], "custom_nodes": ["comfyui-sound-lab"], "vram_min": "12GB", "vram_recommended": "16GB" }, "parameters": { "prompt": { "node_id": 1, "widget_index": 0, "type": "string", "required": true, "default": "Upbeat electronic dance music", "description": "Text description of desired music style, genre, mood, instruments" }, "duration": { "node_id": 1, "widget_index": 1, "type": "float", "required": false, "default": 30.0, "min": 1.0, "max": 60.0, "description": "Duration in seconds (up to 30s recommended for best quality)" }, "guidance_scale": { "node_id": 1, "widget_index": 2, "type": "float", "required": false, "default": 4.0, "min": 0.0, "max": 20.0, "description": "How closely to follow the prompt (4.0 recommended)" }, "seed": { "node_id": 1, "widget_index": 3, "type": "integer", "required": false, "default": 42, "min": 0, "max": 2147483647, "description": "Random seed for reproducibility" }, "device": { "node_id": 1, "widget_index": 4, "type": "string", "required": false, "default": "auto", "options": ["auto", "cpu"], "description": "Computation device (auto recommended)" } }, "outputs": { "audio": { "node_id": 2, "type": "audio", "format": "FLAC", "sample_rate": "32000 Hz", "channels": "stereo" } }, "performance": { "avg_generation_time": "60-90 seconds for 30s audio", "vram_usage": "~14-16GB", "gpu_utilization": "90-100%" }, "use_cases": [ "Background music generation", "Game soundtrack creation", "Video background music", "Music prototyping and ideation" ], "notes": [ "MusicGen Large produces highest quality output", "Best results with clear, specific prompts", "Can specify genre, mood, instruments, tempo", "Output is 32kHz stereo FLAC format", "Longer durations (>30s) may reduce coherence" ] } }, "version": 0.4 }