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 Jennifer Higdon: Concerto for Violin and Orchestra III. Fly Forward, Jennifer Higdon: Concerto for Violin and Orchestra I. 1726, Jennifer Higdon: Concerto for Violin and Orchestra II. Chaconni