We are still early with this, but all depends of what you want to see. The term "music app" doesn't say too much from your question.

Maybe these could help you
https://wavlake.com/
https://fountain.fm/
https://lightning.video/
https://www.tradebit.com/
https://peertracks.com/ - they had a good start with Bitcoin but then they turned into shitcoiners with NFTs.
https://alpha.bittunes.com/

LNbits extensions that you can build directly on your website or twitch broadcast
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/jukebox
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/livestream
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/events
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/streamalerts
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/copilot
https://github.com/lnbits/lnbits-legend/tree/main/lnbits/extensions/paywall