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 Vivaldi Concerto in G minor, 3rd movement (Suzuki Violin Book 5), Kabalevsky Violin Concerto in C Major, Op. 48, 3rd movement, Mozart Concerto No. 4 in D, K. 218, Allegro