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 Mozart - Quintetto per corno e archi in Mi b. maggiore KV 407 - 1. Allegro, Piccola mia - Italian Sound, Ping pong - Plastic Bertrand @ Discoring del 14 marzo 1982