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 John Williams - Star Wars Parody (Cello Wars / Lightsaber Duel) The Piano Guys, J.S. Bach - The Cello Song (8 Cellos - 1 Guy) - The Piano Guys