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 Franz Chmel - W.A. Mozart - Konzert für Klarinette und Orchester A-Dur KV 622, 3. Satz, Franz Chmel - Josef Haydn - Konzert für Trompete in ES-Dur, 1. Satz, Franz Chmel - J. Hellmesberger jun. - Ball Szene