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 東芝 Toshiba 電球 LED CM - 10年カレンダー (Piano) [with music sheet][楽譜あり], Kill la Kill OST - AdラLib (Piano) Full ver. with music sheet