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 Raise the Roof : (Michael Daugherty) - Svet Stoyanov, Timpani, Elliott Carter - March / performed by Svet Stoyanov, "Sideman" for Solo Percussion and Winds by Mason Bates - World Premiere