In 2007, John released an instructional play-along cd entitled Blues Backing Tracks: 12 Major Keys. It is designed to aid students in the art of soloing over common song forms, such as the blues. It contains grooves in all 12 major keys. In 2010 John released his second play-along Blues Backing Tracks: 12 Minor Keys. It has challenging grooves in all 12 minor keys. In 2012, John released his third play-along Blues Backing Tracks: Key of A Major.
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