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 Saxophone, Cello, Percussion Concerto - Mvt. 1 by Leroy Osmon, Violin Piano & Strings - Intermezzo: In The Summer's Sun, Symphony for Winds and Percussion Mvt. 1 by Leroy Osmon