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 Kalliwoda Nocturne op 186 n° 6 - viola and piano, Boccherini sonata in do minore 1 mov - c minor 1st mvt, Henry Eccles sonata - G minor 1st mvt - sol minore 1 mov.