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 Ashot Kartalyan - Duo for clarinet and percussion (2015) - World Premiere, Tigran Mansurian - Die Tänzerin (2014) for Violin and Viola - World Premiere