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 Tarrega: Mazurka "Sueno" - Paolo Lambiase, Guitar, Sor - Variazioni op.9 - Paolo Lambiase, Guitar, Harp Celtic - Cliffs of Moher