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 L4D2 Sound Mod: Resident Evil Safe Room Music Pack, L4D2 Sound Mod: BioShock 2 Death Music Pack, Bleach Heat the Soul 6 - Mashiro vs Ikkaku