I believe The Beatles: Rock Band came the closest to being perfect. Eveything about that game was just beautifully done and the only things missing was Pro Drums, an option for Keys, and a few more Beatle songs (Hey Jude, Strawberry Fields Forever, Yesterday etc. etc.)
The only thing I feel could’ve been done better in Prime 1 is the map. I don’t think it aged well in that aspect, but you couñd argue that’s a nitpick