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 Private Lives by Noël Coward - Vivien Leigh and Laurence Olivier - 1940 Radio drama, Radio broadcast of the Coronation of King George VI & The King's Coronation Speech - 12 May 1937, Peter and the Wolf by Sergei Prokofiev - Academy of London Orchestra - Narrated by John Gielgud