How do you work out tritone substitution?

Simply put, a tritone substitution is taking a dominant chord and substituting it with another dominant chord that’s 6 half steps higher. For example, if you have a C7 chord you’d substitute it with a Gb7 chord. That’s because Gb is 6 half steps higher than a C.

What is the purpose of tritone substitution?

Using a tritone substitution introduces a unique and non-diatonic chord to the chord progression, but keeps the same tritone intact, so it still creates the same tension and pulls just as strongly to the next chord.

What is a tritone substitution chord in piano?

A tritone substitution is the process of replacing one dominant 7th chord with another dominant 7th chord located a tritone away from the original. So we can replace the G7 chord with a Db7 chord, resulting in a progression that reads Dmin7 – Db7 – Cmaj7.

What is the tritone sub for G7?

One of the most common Chord Substitutions in Jazz is the Tritone Substitution. This is a way of substituting V7 chords. So a G7 would become a D♭7 (the root note is a tritone away). They work because the Guide Tones (3rd & 7th) are the same in both chords.

What is an example of a tritone substitution?

The same works for going down as well (for example, Bb ⇨ E is a tritone). What is a Tritone Substitution? A Tritone Substitution is when you substitute a dominant 7th chord (like G7 or D7) for another dominant 7th chord that is a tritone away from it.

How does tritone substitution work in jazz?

In standard jazz harmony, tritone substitution works because the two chords share two pitches: namely, the third and seventh, albeit reversed. In a G7 chord, the third is B and the seventh is F; whereas, in its tritone substitution, D♭7, the third is F and the seventh is C♭ (enharmonically B♮).

How do you substitute a tritone for a 7 chord?

The tritone substitution can be performed by exchanging a dominant seven chord for another dominant seven chord which is a tritone away from it. For example, in the key of C major one can use D♭ 7 instead of G 7.

What is a tritone in music?

The Definition Of A Tritone A tritone is an interval of 6 semitones (half steps), or 3 whole tones (whole steps). In fact, the name “tri”tone comes from the fact that it is an interval made by combining 3 whole tones.