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 Mozart: Eh Susanna non vien "Dove sono" (Le Nozze di Figaro), AN AMERICAN LULLABY "HUSH LITTLE BABY LULLABY" - for little miss Hannah, A Banda