videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including BEAT MUSIC: The Los Angeles Improvisations 8/25/15 #2/3, Mark Guiliana's BEAT MUSIC LA 1/25/14 (#4 of 4), #3/3 Donny McCaslin, Jason Lindner, Nate Wood, Mark Guiliana 9/16/16