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 ANNIE: Ovation and Pit Orchestra Exit Music, Larkin High School Spring Musical, April 18, 2009, "The Swingin' Shepherd Blues," Larkin High School Jazz Band, May 7, 2008: 4th Song, "Gimme Some Lovin,'" Larkin High School Pep Band, 2/8/2010, Girls' Basketball Senior Night