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 Tchaikovsky - violin concerto - Allegro moderato part I, Beethoven violin sonata in G major_ III. Allegro vivace, Tchaikovsky - violin concerto - Allegro moderato part II