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 Giancarlo Simonacci - "Tecnica e Poetica del Pianoforte Preparato di John Cage" (27.03.2009), Emilia FADINI - "Empfindsamkeit: lo stile sensibile di C. Ph. E. Bach e di J. Haydn", Emilia Fadini - "Domenico Scarlatti: Sonate ed Esercizi" (14.05.2008)