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 Hunter - Eurorack Modular Synthesizer Improvisation #2 - June 9, 2015, Andrew Hunter - Eurorack Modular Synthesizer Improvisation #1. (May, 26 2015), Andrew Hunter - Eurorack Modular Synthesizer Improvisation #5. October 15, 2015