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 Vinyl Collection - Electronic - Part 2 - Experimental/Musique Concrète/Avant-Garde/Psych, Vinyl Collection - Surf - Rock/Pop/Space-age/Psychedelic, Vinyl Collection - Psychedelic - Part 10 - Krautrock/Space/Prog/Experimental