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 Max Bruch - Violin Concerto No 1 in G Minor, Op. 26 3rd. mov., Max Bruch - Violin Concerto No 1 in G Minor, Op. 26 1st mov.