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 SSBB - X07 - Super Smash Bros. Brawl - WiFi Waiting Room, SSBB - X03 - Super Smash Bros. Melee - Menu 2, SSBB - X23 - Super Smash Bros. Brawl - Stage Builder