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 Kraid's Lair - Metroid: Zero Mission [FDS, FamiTracker], Lunar Clock ~ Luna Dial (EoSD) - MEGA ZUN Stage XLIV [2A03+, FamiTracker], THE ARROW OF DESTINY - Super Robot Wars OG [2A03+, FamiTracker]