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 Intento-47 "Musica Electronica 2" Space/Ambient Electronic Music. Microkorg + Kaossilator Pro, Intento-31 "Musica Electronica" Space/Ambient Electronic Music. Kaossilator Pro., Intento-30 "Year 3012: Look! They are coming!..." Space/Ambient Electronic Music - Sci-Fi