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 ' Moira ' Meiou (Θανατος) - Sound Horizon [Off Vocal], 'Elysion' Stardust - Sound Horizon [Piano] ~Synthesia~, 'Märchen' Kono Semai Torikago no Naka de - Sound Horizon [Piano] ~Synthesia~