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 J. S. Bach: Partita for solo violin in d minor, 5th mov.: Ciaccona, part2 (Kristóf Baráti), J. S. Bach: Sonata for solo violin in g minor, Siciliano (Kristóf Baráti), J. S. Bach: Sonata for solo violin in a minor, 2nd mov.: Fuga (Kristóf Baráti)