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 Bob Brozman - 12th Acoustic Guitar International Meeting - Sarzana, 23/05/2009, Eric Lugosch - 12th Acoustic Guitar International Meeting - Sarzana, 23/05/2009