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 SHDHS Percussion Ensemble Plays "Bonham" by Christopher Rouse, SHDHS Percussion Ensemble Plays Ceremonium by Jared Spears, South Huron DHS Percussion Ensemble: Jazz Variants