Facebook/Meta open-source AI music generation model that creates high-quality music from text descriptions. MusicGen uses advanced transformer architecture to generate coherent musical compositions across various genres and styles. Features include text-to-music generation, melody conditioning, and controllable music creation. Available through Hugging Face, Replicate, and other platforms. Popular among researchers, developers, and musicians for experimental music generation and AI music research. Known for its open-source nature and research-quality outputs.