This is a really great use of LLM! Seriously great job! Once it’s fully self-hostable (including the LLM model), I will absolutely find it space on the home server. Maybe using Rupeshs fastdcpu as the model and generation backend could work. I don’t remember what his license is, though.
Edit: added link.
Mechanical Keyboard Sounds: Recordings of Bespoke and Customized Mechanical Keyboards
Edit: This is less music, and more relaxation sounds. But I really like it.