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 Humboldt State Percussion Ensemble: Three Brothers, Humboldt State Percussion Ensemble: Espana Cani, Humboldt State Percussion Ensemble: Ionisation by Edgard Varèse