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 Sem Dresden - Sonate No. 2 for cello and piano, Louis Andriessen - The nine symphonies of Beethoven for orchestra and ice cream bell, Leo Smit - Concerto for piano and wind orchestra