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 Andy Taylor Custom Benge/Yamaha Trumpet Play Testing, Zeus Olympus Satin TZE2525 LB Played by Dr. James Bovinette, COL2096 - Olds Super Cornet restored play tested by Dr. James Bovinette