video 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 Futaba Lullaby 【Subtitles: English & Romaji】(Miku's baby!) 双葉の子守唄【初音ミク】(inspired by Takeda Lullaby)