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 Brain Cleaner - History Behind Super Smash Bros. Brawl Music, N64 Yoshi's Island Music - Super Smash Bros. Melee History, Mute City - History Behind Super Smash Bros. Melee