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 Primavera - Ludovico Einaudi - Piano Tutorial Part 1, Comptine d'été No.2 - Yann Tiersen - Piano Tutorial Part 2, La Dispute - Yann Tiersen - Piano Tutorial Part 1