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 Prélude J.S. Bach BWV 939 (Do majeur) et Choral BWV 514 (Do majeur), clavecin, W.A. Mozart (1756-1791) : Polonaise, Adagio pour clavier (enregistrés au clavecin: 07.10.2012)