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 Andrew Bliss: Six Marimbas (1986) by Steve Reich (Part Two), Andrew Bliss: "Broken Drum" by Matthew Burtner for solo percussion + electronics, Andrew Bliss: Pyriphlegethon (2007) by Christopher Deane