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 L4D2: Vs Live-Stream (9-8-12) w/ Gassy & Friends! #4, Husky Playdate!, Assassin's Creed Brotherhood: Multiplayer w/ Gassy, Diction, & Chilled #2