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 The Eagle (2011) Soundtrack #3 -- Violin Cover (arranged by ear), Californication - 2CELLOS Red Hot Chili Peppers Violin Cover, Sherlock BBC - VIOLIN COVER w/ sheet music (1-minute short)