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 L.v.Beethoven - sonata for Piano & Violin Es-dur op.12 no.3 mov.1 P.Osetinskaya, N.Kozhukhar, Buxtehude - sonata III for violin, viola d.g & b.c T.Fedyakova, N.Kozhukhar, Biber - sonata in C, Leonid Gurjev - natural trumpet, Nazar Kozhukhar - violin & The Pocket Symphony