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 Branimir Slokar - Live in Tokyo - G. C. Wagenseil: Concerto - 1. Adagio, Slokar Quartet - Live in Tokyo - J. Koetsier: Concertino - 2. Intermezzo, Slokar Quartet - Slide Factory 2011 - J. Fr. Michel: Jubilee Fanfare