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 Classical Guitar Song Demonstration - The Entertainer by Scott Joplin on Classical Guitar, Violin Lesson -Song Demo -"In The Hall of the Mountain King", Violin Song Demonstration - "Meditation" from Thais by Massenet Take 2