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 Ko-Ichiro Yamamoto and the Columbus State University Trombone Octet, CSU Trombone Choir and Guest Soloists - A Beautiful Noise, Bradley Palmer with the CSU Wind Ensemble - John Mackey's Harvest Concerto for Trombone