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 Bach: Partita No. 3 in A minor (part 1) | Cory Hall, pianist-composer, Ravel: Menuet from Le Tombeau de Couperin | Cory Hall, pianist-composer, (2/3) "Appassionata" by Beethoven played by Cory Hall (live, audio)