I've had this explained to me a few times, but I still have no idea. What exactly is a tri-tone substituon? Is it strictly a jazz concept? or does it apply to all music?
This is just a picture of a cool guitar....
topic for discussion
What is the Tri-Tone Substitution?
The Tritone Substituion (or flat 5 sub) is a commonly used substitution in jazz.
Alot of folks make it more dificult than it needs to be. Case in point: http://en.wikipedia.org/wiki/Tritone_substitution
In a nut shell, for a dominant 7 chord, you can subsitiute with a different 7 chord a flat fifth higher. (count up a fifth G,A,B,C,D...back down a half step to Db. or 6 half steps.)
for example instead of G7 you can put Db7 in it's place. Here's a simple ii-V-I in C.
In the second example we have replaced G7 with Db7.
we can talk about why this works, but for starters just try it out, and figure out what the sub would be in different keys...
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Nothing...sorry just an artifact left over from quickly making the notation... — Jeff E 2013-05-08T17:56:08.0Z
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The chord symbol for the tritone sub of G7 is correct (Db7), as is the tab. However, the notation spells out a C#7. Technically, the notes should be Db, Ab, Cb, F, Ab. — Ghost R 2013-05-08T23:37:06.0Z
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