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 Jam: Ceephax Acid Crew's Sidneys Sizzler, korg kpr 77 micromoog korg monopoly sakata dpm 48 melos echo chamber, dx.21.poly.800