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 Challenge timaeus22222 - Blast from the Past! (2), The Alternate Dimension: Episode 4 - Chicken Protoman Returns!, Super Smash Bros. 64 - Fun With Z-Cancel (and/or Tech Rolling)!