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 Mozart 3rd Violin Concerto K216, 1st Movement, Cadenza by Leopold Auer, Felix Mendelssohn Violin Concerto No. 2 in E minor - Naomi Eylath