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 LGR - SimCity Educational Version Unboxing & Overview, LGR - Keypunch Games on an IBM 5150 Part 2 - Gambler, Arcade II, LGR - Donkey Kong Country [aka I'M SICK]