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 Art of Sound | PC3K:Works - Electro (Kurzweil PC3K8/PC3K7/PC3K6), Art of Sound | K:Works - Electro - Special Bundle (Kurzweil K2661/K2600/K2600R/K2500/K2500R), Art of Sound | PULSation - Techno (Waldorf Pulse/Pulse+)