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 A Sky Full Of Stars - Coldplay - String Quartet Cover, Igor Stravinsky - Violin Concerto in D (1931) - I. Tocatta, Benjamin Britten - Violin Concerto, Op. 15 - 1st mvmt