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 Roland MC- 505 Groovebox walk through part 1, Roland JX 305 Groovesynth walk through part 2, Roland JP 8000 synth and MC-303 Groovebox Demonstration