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 Heinrich Joseph Baermann - Clarinet Concertino in C-minor, Op.29 (1818), Albert Lortzing - Undine - Ouverture, Louis Alexander Balthasar Schindelmeisser - Sinfonia Concertante for four clarinets, Op.2