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 Dyno Jamz - "Footprints" - Sound Off! 2009, Kithkin - Broken Submarines - @ EMP's Sound Off! 2011, Tomten - "Sonny Don't" - Sound Off! 2011