Musicgen
App in the BluixApps catalog
What it is
MusicGen is Meta AI's text-to-music model (part of AudioCraft) — generates 30+ seconds of stereo music from text prompts or melody conditioning. Three model sizes (300M / 1.5B / 3.3B params) for VRAM/quality tradeoff. Genre, instrument, mood, BPM all controllable via prompts.
The open answer to Suno / Udio for music generation, with full control over the entire pipeline.
What it's for
- Text-to-music — describe a song, get audio
- Melody-conditioned generation — hum a tune, get a full instrumental
- Custom soundtracks — for video, podcast, game, app
- Multiple genres — orchestral, electronic, jazz, folk, classical, hip-hop
- BPM + instrument control via prompts
- Royalty-free music generation (with appropriate license use)
Who it's for
- Video creators generating royalty-free soundtracks
- Podcasters producing intro/outro themes
- Game developers prototyping music for levels
- Marketing teams producing campaign-specific audio
- App developers generating ambient/UX audio
- Hosting providers selling music gen tier
Why teams pick MusicGen over alternatives
- MIT license (code); model weights have research/commercial separation
- Strong quality for open-source music gen
- Multiple sizes — choose VRAM vs quality tradeoff
- Melody conditioning — unique feature, not in Suno open versions
- Meta backing — AudioCraft = part of well-funded Meta AI research
- Long-form support — chain 30-sec segments for longer tracks
Integrations
- Gradio web UI out of box
- HuggingFace Transformers pipeline
- AudioCraft library — Python API for batch
- Pair with Demucs: stem-separate generated tracks for remix flexibility
- Pair with video AI: generate B-roll → match with MusicGen score
Notable users & community
- 21k+ GitHub stars (parent AudioCraft repo)
- Meta AI corporate backing
- Used in commercial video production pipelines
- Active fine-tuning community for specific genres
- Featured in major AI tracker newsletters
Tips & operations
- Model size:
- musicgen-small (300M): faster, lower quality (~2 GB VRAM)
- musicgen-medium (1.5B): balanced (~6 GB VRAM, recommended)
- musicgen-large (3.3B): best quality (~12 GB VRAM)
- musicgen-melody: conditioned on existing tune
- Prompts: mention genre, instruments, BPM, mood explicitly
- Length: 30 seconds per pass; chain for longer
- Sample: "Upbeat acoustic guitar folk with cheerful violin solo, 90 BPM"
- VRAM: scale model to available; medium is sweet spot
- License check: original Meta weights have research-only clauses for full models; community alternatives (audio-craft-plus, MusicLDM) may have cleaner commercial terms
What we ship in BluixApps
- Cloned
facebookresearch/audiocraftrepo - pytorch/pytorch CUDA 12.4 base + ffmpeg
- musicgen_app Gradio launcher
- Persistent volumes: repo, models (~5 GB), output
- Port 7868 mapped
- Install report at
/root/bluixapps/musicgen.txt - License caveat clearly documented (CC-BY-NC for outputs)
- Pairing suggestions (Demucs for remix, video AI for B-roll match)
- GPU pre-flight check via
bluixapps_ensure_nvidia_runtime - Backup hook covers models + outputs
Get this app — pick a BluixApps plan
Same catalog. Scaling tenant isolation, white-label and support tier.
| Tier | Tenants | Catalog | Support | White-label | Monthly | |
|---|---|---|---|---|---|---|
| Stacks | 1 | 19 curated stacks | Standard | — | $19/mo | DetailDeploy |
| Starter | 10 | Full catalog | Standard | +$15–25/mo | $49/mo | DetailDeploy |
| Pro | 25 | Full catalog | Priority bugfix | +$15–25/mo | $149/mo | DetailDeploy |
| Growth | 100 | Full catalog | Priority bugfix | +$15–25/mo | $349/mo | DetailDeploy |
| Scale | 500 | Full catalog | 7-day window | +$15–25/mo | $799/mo | DetailDeploy |
| Enterprise | Unlimited | Full catalog | Priority 7-day | Bundled | $1,499/mo | DetailDeploy |
