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 UNC Wind Ensemble - Procession of the Nobles by Nicholai Rimsky-Korsakov, arr. Leidzen, UNC Wind Ensemble Summer Dances by Adam Gorb, UNC Wind Ensemble - Raise the Roof by Michael Daugherty