Friday, March 09, 2012

How Tritone Substitute Works

Hi,

We will be learning more about tritone substitute in this lesson.

In key of C, ii V I is Dm7 G7 Cmaj7

Tritone substitute also known as flat 5 substitute, will replace the dominant chord,

in this case, the G7 and replace it with Db7.

The new progression will be Dm7 Db7 Cmaj7.

The notes in a Db7 are Db, F, Ab and B

It is actually a G7 alter chord - G7(b9)#11 (with G as the root)

This is the reason why we could use a Db7 instead of G7.

Hope its clear.

Cheers

1 comment:

zardoz said...
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