I know this game might've been requested be4 but like
"YARG (a.k.a. Yet Another Rhythm Game) is a free, open-source, plastic guitar game that is still in development. It supports guitar (five fret), drums (plastic or e-kit), vocals, pro-guitar, and more!"
Kind of like Clone Hero in a way, just inspired by Rock Band instead of Guitar Hero. I don't want to have to open OBS and hit record every time I start the game, and OBS seems to lag my YARG when I'm recording it.