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 Ensemble Raro & friends perform Johannes Brahms piano quintet in F minor, op.34, Allegro 1/2.MPG, Johann Halvorsen - Passacaglia for Violin and Cello after a Theme by G.F.Händel