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 Shuffle, Part 1 - Blues Harmonica Band Performance Training: Groove for BluesHarmonica.com, Sugar Ray Norcia Playing Snippet for BluesHarmonica.com, Gary Smith & David Barrett on playing the Tramp Groove (BluesHarmonica.com sample)