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 Jun 10, 2014: Battlefield Hardline Part 1, Sep 6, 2014: Tropes vs Pigeons, Jun 18, 2014: Hearthstone High Ping deck stream 17th June 2014 Part 2