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 [Black MIDI] Touhou - Shanghai Teahouse 18.3 Million | NO LAG, [Black MIDI] Tetris Black MIDI (Cancelled project), [Black MIDI] MIDITrail - Pokemon Green Beta - Lavender Town 6.2 Million