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 "AWKWARD RAPPING & BEATBOXING" - Beatbox Funny Moments #6 (COD GHOSTS), BEATBOX vs DRUMS!, Black Ops 2 Awkwardly Funny Moments #1 (Moaning, Animal Noises &, Weird Glitches)