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 Barry Tuckwell french horn lesson part3, French Horn in Etna Vulcano - Sicilian Horn Ensemble - G.Rossini: Rendez Vous de Chasse, Barry Tuckwell french horn lesson part4