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 [MKWii] Dry Dry Ruins World Record - 1' 52" 150 by [Rv]Tim (with Flap shroomspot), Music: Electrodrome - Alternate theme (trippy anti-gravity zone) - Mario Kart 8 Rip, Poll music medley - Everybody Votes Channel (Wii)