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 Dennis Gruenling w/Rusty Zinn - "Ropin' It" Swingin Chromatic @ Masterclass 2009, Dennis Gruenling - Slow Blues Harmonica Instrumental - GSHC Fest 2009, slow blues, blues harmonica