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 Mother 3 - Mom's Hometown Music EXTENDED, Donkey Kong 64 - Angry Aztec Music EXTENDED, Super Smash Bros. Brawl - Douchuumen (Nazo no Murasamejo) Music EXTENDED