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 Ludovico Einaudi - Nefeli Arr Guitar. Online 1-2-1 lessons available, inbox me., Frédéric Chopin Nocturne Op.9 No.1 in B-min played on classical guitar live 2002