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 Leonid Kogan - Paganini Violin Concerto in D (3rd mov), Zino Francescatti - Saint-Saëns Violin Concerto #3 (3rd mov), Leonid Kogan - Paganini Violin Concerto in D (1st mov p3-3)