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 Lets Play - Megaman X5 - Part 14 - Item Clear Up 3, Let's Play - Megaman X2 - Part 10 - Squish, MMCC2 Soundtrack - O Come All Ye Dreadful - Final Boss - Vs Wily Machine X1