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 Rihanna - Unfaithful Instrumental Piano/Violin Cover / Karaoke by Sam Masghati, Jason Derulo - Breathing (Piano + Lyrics), Milky Chance - Stolen Dance Tutorial (How To Play On Piano)