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 2 parts invention n.4 in D minor, J.S.Bach Gigue from French Suite n. 2 in C min BWV 813, Vivaldi violin concerto transcripted for cembalo. Tempo I