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 James Kreger and Garrick Ohlsson Play Chopin Largo, James Kreger Plays Nocturne by Tchaikovsky, James Kreger Plays Mendelssohn Song Without Words for Cello