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 Karl Richter - Prelude & Fugue In E Minor - BWV 548 (Fugue), Karl Richter - Harpsichord Performances / Italian Concerto In F Major - III. Presto - BWV 971, Karl Richter - Brandenburg Concerto No.5 In D Major - BWV 1050 (Harpsichord Solo, 445 Hertz)