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 [MMD] GUMI - Tetrodotoxin Synthesizer No.2 テトロドトキサイザ2号, Synthesia Piano - Vocaloid - Happy Synthesizer ハッピーシンセサイザ, [MMD] Happy Synthesizer [Lat式 鏡音リン & デフォ子] ハッピーシンセサイザ