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 The Ragtime Robin - G.H. Green, Credo In Us (1/2) - John Cage [ Ensemble 64.8 ], Temazcal for Maracas and Tape - Javier Alvarez