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 Cowboy Rhythmbox - Rattle [PH41], Connan Mockasin - Faking Jazz Together [PHLP01], Beyond The Wizards Sleeve - Black Crow [PH57]