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 Vivaldi: Concerto in G Minor "for the Dresden orchestra," RV 577 (part 1) — October 2012, Handel: "All we like sheep" from Messiah, with Tempesta di Mare and Choral Arts Philadelphia