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 Baxter's Birthday - Underwater Music, Cluefinders 4th Grade Adventures: The Puzzle of the Pyramid - Map Mice, Footloose at Musical Theatre Village 2014 - Somebody's Eyes