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 Music City Mystique - 2004 Book2 (Tenor Break), Cavaliers I&E Percussion Ensemble 2004, Bluecoats 2008 Bloopit Innovative Video #1