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 John Rutter The Wind in the Willows - The King's Singers & City Chamber Orchestra of Hong Kong, Situ Gang Concerto for Erhu, Violin & Strings (1) - City Chamber Orchestra of Hong Kong, Malcolm Arnold Serenade for Guitar and Strings - Craig Ogden & City Chamber Orchestra of Hong Kong