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 Super Smash Bros. Brawl: Pirate Ship (Zelda vs Toon Link) [1080 HD], Super Smash Bros. Brawl: Summit (Lucario vs Kirby) [1080 HD], Super Smash Bros. Wii U Amiibo Showdown: Episode 7 - Greninja (BluRacer7 vs BluRacer7)