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 GGXX: AC Mouse (SO) vs Kaqn (OR) vol. 1, GGXX: AC Mouse (SO) vs Kaqn (TE), GGXX: AC Mouse (SO) vs Kaqn (OR) vol. 3