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 [VOCALOID] Kokoro kiseki - Orchestra ver., [UTAU] Suiga Sora & Kasane Teto - Lost Sheep, [VocaListener] Megurine Luka - Big Fishing Boat