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 Escape - Dubstep [Nightcore], Für Elise - Dubstep [Nightcored] ~Nightstep~, Dubstep/HipHop Violin [Nightcored] Nuttin