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 Inside the Leap Motion AXLR8R: 90 Seconds with Diplopia, Inside the Leap Motion AXLR8R: 90 Seconds with GetVu, BT and the Search for New Sound