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August 27, 2012 | Tritone Subs
To the music theory uninitiated, the term "Tritone Sub" sounds more like the mispronunciation of an underwater military vessel, but not necessarily a jazz technique. It's not a nuclear powered submarine, rather it's short for Tritone (+4, -5), and the abbreviation for substitution. Really it's a pretty good trick, and one very commonly used in jazz and occasionally, pop music.
It won't be a sound you'd use in a bluegrass jam, but it's a very effective technique, borrowing scale DNA from the major mode a half step above the tonic. It's used in place of the dominant, both chord and scale mode. We to into more detail in a February 2010 Mandolin Sessions article using the Django Rheinhardt classic, "Manoir De Mes Reves." We enjoyed showing you how you could interchange a Eb7 with an A7.
Check out the original article: Another Dominant; Fresh Material for the V7 Chord
JazzMando PDF archive.
Posted by Ted at August 27, 2012 5:00 AM
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