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 Schumann: Cello concerto, 3rd movement, Peter Bruns / cello, Live recording Gewandhaus Leipzig, Charles Koechlin: Excerpts from "20 Chansons Bretonnes", Peter Bruns / cello, Roglit Ishay / piano, Louis Vierne: Cello sonata, 2nd Movement, Peter Bruns / cello, Annegret Kuttner / piano