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 "A Song For Japan" 相愛大学金管アンサンブル 2011/6/23, G.B.Pergolesi / 1,2mvt from Sinfonia / Masateru Yamaki-Trombone