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 Rozen Maiden Piano Sound Album - Tatakai No Hate, Rozen Maiden OST Strings Sound Album - Seishoujo Ryouiki, Rozen Maiden OST Strings Sound Album - Mebae