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. Kniazev & E. Voskresenskaya - Franck Sonata A-dur for cello and piano, 2 Romances - Alexei Nasedkin plays Rachmaninoff - Two Romances (Lilacs & Daisies)