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 Bottesini aria "Tutto il mondo" (arr. R. Malaric), Bach Menuet from the Notebook for Anna Magdalena Bach, Schumann Fröhlicher Landmann (The Merry Peasant) by Blanka Djukić