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 FOUR NOCTURNES BY GEORGE CRUMB (NIGHT MUSIC II) for Violin and Piano, Fantasmata, for voice, flute, violin, cello, piano (by Basil Athanasiadis), DANCE OF THE SEVEN VEILS (2 vibraphones, congas & cymbals) by Basil Athanasiadis