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 Beat Rhino vs NaPoM / Quarter Finals - American Beatbox Championships 2014, Jimix / Flow from Taiwan - GBBB 2014, J-Flo. Automatic Drop. 2012 Midwest Beatbox Battle