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 St. John's Military School video of "Annual Formal Inspection", "AFI", of the 123rd Corps, 2011., St. John's Military School "AFI", "Annual Formal Inspection" video, 2008