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 CLANNAD: Roaring Tides [Uminari] Viola + Instrumental, Super Smash Bros Melee: Hyrule Temple viola + piano collab ft. krissalad *+ sheets!*