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 Dimitris Gogas - Trumpet Soloist - Megaron Music Hall - Athens 5th June 2009, St Vincent - Rattlesnake - Park Stage - Glastonbury 2014, Boy George - Knockin on Heaven's Door