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 Darkspire: GEARED: A Gears of War machinima : Episode 1 - It's important, Darkspire: GEARED:A Gears of War Machinima - Episode 2 - My Clavicle