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 Slizzer - The Godfather Dubstep | Vugyvurugy Beatbox Battle 2011, Beatoxic (Roxorloops, Roustix, Karen) @ Hungary, Pécs 2006