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 Fred Lerdahl "Duo for Violin and Piano" Part 2/2 Elegy played by Rachel Field & Mia Elezovic, B. A. Zimmermann "Sonata for Violin" Part 1/2 played by Rachel Field, B. A. Zimmermann "Sonata for Violin" Part 2/2 played by Rachel Field