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 S&S Cycle - The Knuckle Shuffle 2012 - Shenanigans in WI, Eric Tessmer Band at The Knuckle Shuffle 2011 - "Blues Bullets"