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 Garageband Dubstep - Silence Is Deadly (NEW DUBSTEP 2012!) - Kierpm96, "One Step Forward" - Garageband Techno - Kierpm96, Garageband Dubstep - There and Back (Kierpm96)