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 in D minor for solo violin. Allemande & Courante - Roman Glukhov, Bach. Sonata for violin and organ BWV 1016. Adagio ma non tanto - Sankt-Joseph-Kapelle