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 Aleksey Semenenko plays Fantasy on Rossini's Othello by Ernst, Elli Choi plays Wieniawski Polonaise brillante in A Major, op. 21, Alexander Boldachev plays Concertino for Harp by Damase