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 KORG MS2000 custom sounds (part1), Yamaha EX5 - battery replacement & short demo, MicroSTATION KORG 128 sounds/combi per live performance (part2)