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 Jascha Heifetz plays Kreisler's Recitative and Scherzo for solo violin, Nathan Milstein plays the 1st Movement of Mozart's Violin Concerto No.5 ('live'), Yehudi Menuhin plays the Rondo of Paganini's 2nd Violin Concerto "La Campanella" ('live')