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 Wieniawski: Violin Concerto No. 2 in D minor, Op. 22, I. Allegro moderato, J. S. Bach: Sonata No. 2 for Unaccompanied Violin in A Minor, BWV 1003, I. Grave, Wieniawski: Violin Concerto No. 2 in D minor, Op. 22, II. Romance: Andante non troppo