A recommendation without a full reading (yet), but it's fresh and seems great:

Gabrielle Chou, Play Makes Perfect : An Exploration of Game and Play Elements in
Composition and Performance
#doctoralDissertation

https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=6458&context=gc_etds

Apart from rich general content, it has G4M profiled swiftly, including showcasing a few activities, and... spotting a grammar error with "[sic]" -- now corrected. ;)

#academicWriting #musicGames #gamePieces #GabrielleChou