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 "Whistling Rufus", Bill Coale at the Berkeley WurliTzer, Whistling Rufus (Bill Coale, organist), Organist Bill Coale plays Sousa's "Liberty Bell March"