I loved this. Reminded me the pikmin but with a rhytm-like gameplay.
My only criticism is the core part of the game. Procedural sound design .
I would recommend you checking this game and asset from dustyroom. They are quite experienced with combining different sounds and they always sound pretty.
https://dustyroom.itch.io/soundmarine
https://assetstore.unity.com/packages/audio/music/everloop-nonlinear-soundtrack-...
I don't like anonymous votes, so here is my rating.
Keep up the good work, great project!