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 Chaotik - Tempest VIP[HQ] - Trance/Dubstep Crossover (free download!), Chaotik - Faulty Engine - Melodic Dubstep, Chaotik - Nebula- Dubstep