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 - Castle Siege Fight, SSBB Music - Super Mario Bros.: Ground Theme, Super Smash Bros. Brawl/大乱闘 スマッシュ ブラザーズ X - wii.com JP Movie