Oh god I suck...
Butter Building, Disco Train, the Goldenrod Game Corner, Something I recognise from brawl I think (Zelda maybe?), Luigi's Mansion, some other things that I know I've heard but can't put my finger on... grr, it's on the tip of my tongue...
Anyway, Nicely done. They all go together nicely. I wasn't expecting to hear the Game Corner in there, I love that music. Butter Building too... In fact I was listening to both today.
Ah, I've checked below. I knew I recognised some of those tracks like Tal Tal Heights, Balloon Trip, Gyromite...
Anyway, good work.