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 Martinu - Madrigal Sonata for Flute, Violin, and Piano, Charles Ives 2nd Violin Sonata - 2nd & 3rd Mvts, Eugene Bozza - Agrestide for Flute and Piano