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 Winter 2016: Korngold Violin Concerto Rehearsal, Tai Murray, Nicholas Collon, Meet the NYO 2012 first violin section, A day in the life of the NYO horns