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 Karlheinz Stockhausen: Intuitive Music, Karlheinz Essl: Sequitur XI for vibraphone and electronics, Mike Svoboda plays Sequitur X by Karlheinz Essl