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 W.A.Mozart :: Rondo Alla Turca (Turkish March) KV 331 :: Wim Winters, Clavichord, Beethoven :: Sonata Pathetique, opus 13 :: Wim Winters, clavichord, J.S.Bach :: English Suite n°3 in G Minor, BWV 808 :: Wim Winters, clavichord