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 Acid Techno old - with Yamaha AN200 (prime test:), BOWS (Binaural and Ocean Waves Synth) VST-AU OSX, RNDRONE (Random Drone) VST - AU (only for Mac)