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 Efrem Zimbalist plays Brahms Violin Concerto Op.77 ( Koussevitzky 1946), Leonid Kogan plays Bach Sonata for violin and Harpsichord BWV 1018 movement 1, Karl Richter, Leonid Kogan plays Borodin Serenade from "Ptite Suite" (arr.Heifetz) 1955