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 Winter NAMM 2012 - Wood Violins, The Fiddle/Sticks Project, Pt. 1: Casey Driessen Meets Kenny Malone, The Fiddle/Sticks Project, Pt. 2: Casey Driessen meets Futureman