Like this idea, and thought about it myself with our boy. Couldn’t find anything on the web about kids doing the audio track for their games but it is a thing, and a good thing too… https://www.brighthorizons.com/family-resources/music-and-children-rhythm-meets-child-development#:~:text=Music%20ignites%20all%20areas%20of,and%20the%20mind%20work%20together.&text=Dancing%20to%20music%20helps%20children,them%20to%20practice%20self%2Dexpression.

Children and Music: Benefits of Music in Child Development

Link: https://www.brighthorizons.com/f

Music plays an important role in child development. Learn the benefits of music and read parenting tips for helping children enjoy music.