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 Viola Master Class New Year Concert 2011 : No.3 / BRUCH : Trio Op.83 - No.1 & No.2, G.F.Händel : Violin sonata No.4 in D majo 〜1st, 2nd mov. / Kumiko Nagai, T.Takemitsu : "A Bird came down the Walk" for Viola and Piano / Ryo Oshima