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 Sibelius: Violin Concerto in D minor, Op. 47 - III. Allegro ma non tanto, Violin: Gil Shaham, Lalo: Symphonie espagnole, Op. 21 - II. Scherzando: Allegro molto, Violin: Anne Akiko Meyers, Saint-Saens: Violin Concerto No. 3 in B minor, Op. 61 - mov. I, Violin: Ida Haendel