Super Awesome, Always Fun, and Never Boring Music Games!!! From pbskids.org

peg + cat Music Maker

https://pbskids.org/peg/games/music-maker

Daniel Tiger's Music Shop

https://pbskids.org/daniel/games/music-shop/

Pinka-Perfect Band

https://pbskids.org/pinkalicious/games/pinkaperfect-band

Sesame Street Monster Music

https://pbskids.org/sesame/games/monster-music/