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 Slow blues backing track in B minor for guitar solo (12 bar blues), Slow blues backing track in F minor for guitar solo (12 bar blues), Blues in F minor - Backing Track for guitar solo 12 bar blues