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 DCI 2012 - Music City Drum Corps, 2011 DCI Atlanta: The Academy Drum Line - Part 1, 2011 DCI Murfreesboro: Music City Drum Line - Part 2