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 SWBC "Strand of Pearls" - "Over in the Gloryland" 3.18min, Parker VBS Kids singing first half of "ABC Strategy", Phil Driscoll circa 1981, 7min, WCBC, KCM.AVI