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 Guitar & Harmonica - Nothing Else Matters - Metallica, Quando o Sol Bater & Pais e Filhos - Gaita e Violão - Legião Urbana, Maroon 5 - Harmonica and Guitar - Sunday Morning (+lyrics)