https://t.me/slowednightcore_bot
(source: https://github.com/KindSpidey/SlowedNightcoreStudio/commit/8c03b19bc03a5f49fec4b97d714ad657e307997a)

A Mini App that offers an interactive audio studio experience, allowing users to upload their songs and transform them into slowed reverb songs or nightcores. Users can adjust speed, volume, and bass boost, listen to their customized track in real-time and get changed song back in message from bot.