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 The Legend of Korra - Main Theme (EO Progressive House Remix), Nichibros - Literary Girl (EO's Dubstep Remix), The Legend of Zelda: Ocarina of Time - Song of Storms (EO Dubstep Mini-Remix)