I'm an expert in rhythm-based game creation.
I'll be happy to help you with rhythm (music) game development such as GuitarHero, Piano Tiles or Beat Saber.
You can find some of my open-sourced projects at GitHub https://github.com/v-pukman-gd.
You can check my YouTube channels where I share my experience in rhythm games creation
https://www.youtube.com/watch?v=eEFewTRmOJQ
https://www.youtube.com/watch?v=xV93EQ6t2IY&t=9s
I'm also a creator of MBOY Editor and MusicBoy3D game
http://www.mboy-editor.com/
https://store.steampowered.com/app/818620/Music_Boy_3D/