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 William Boyce: Voluntary No.1 for 3 Trumpets, Organ, Harpsichord and Timpani, Johann Ernst Altenburg: Concerto for 7 Trumpets and Timpani: I.Allegro