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 Rod Hull and Emu's Pink Windmill Kids: Singin' in the Rain, Rod Hull and the Pink Windmill Kids: The Music Goes Round and Round, Grotbags: Gimme Dat Ding