DESCRIPTION:
'Super Mario World 2: Yoshi's Island - Athletic Theme' as played by Tom Brier.

Because Tom played it twice in the video, this transcription doesn't follow exactly what he played, but is rather a mix of fragments from these two takes.

Link to Tom's performance:
https://www.youtube.com/watch?v=ffwVKDP8nzQ

Sheet music: https://tinyurl.com/yctk32p6 (by Evan Sparano)
MIDI file isn't available.