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 Brahms Violin Concerto in D major, Op. 77: 1. Allegro non troppo, Bach - Sonata for Solo Violin No. 3: III. Largo and IV. Allegro assai, Brahms Violin Concerto in D major, Op. 77: I. Allegro ma non troppo