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 The best 8-bit music top 100; #69: Mega Man / NES -- Dr. Wily Stage Boss, The best 8-bit music top 100; #19: Mega Man 3 / NES -- Title, The best 8-bit music top 100; #59: Mega Man 6 / NES -- Tomahawkman Stage