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 Mozart 5th Violin Concerto 1st Mov., Sibelius Violin Concerto Movement 3 (Allegro), Saint Saens Violin Concerto No. 3 1st Mov