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 Samuele Scheidt variations on "Ach, du feiner reiter", Barber Toccata Festiva with Peter Sykes, Part 11, Hatikvah - The Hope. Arr. by Elliot Del Borgo