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 Mario & Luigi: Dream Team - Dream World Battle Theme Music (SFX), Donkey Kong Country: Tropical Freeze Music [WiiU] " Aquatic Ambiance/Spark Ocean Theme " HQ, ♫ Undertale Remix - Enemy Approaching [Battle Theme]