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 Red Hot Chili Peppers - Percussion Solo + Sir Psycho Sexy (Live in Hong Kong, August 9, 2011), Bali Steel Pan Diary #5: Recovery (March 10, 2013), Mouse on the Keys - Aom (Live in B-Side, Part 5 of 6, December 21, 2012)