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 UT - Austin Percussion Ensemble at PASIC '12 - Percussion Symphony II, Nathaniel Bartlett - Return Transmission - PASIC '12, Ed Smith - I Loves You Porgy - TMEA '13