Also in jazz harmony, the tritone is both part of the dominant chord and its substitute dominant (also known as the sub V chord). Yesterday I gave some detailed examples of common places you can use a tritone substitution, including some tunes that use tritone substitution in different ways. Scales help you know which note choices sound consonant with a given chord change, but they can be used incorrectly, just as words can be used incorrectly. However, many people will have no idea what you are talking about if you say “pitch collection,” and so I prefer to use the term “scale” instead. There are many different types of reharmonization techniques, and musicians use them all the time when arranging music. For this reason, there has been a movement among some jazz musicians to speak more about “pitch collections” than scales. The scale of choice to solo over tritone substitutions is the Lydian dominant scale. In the key of C, a 251 progression contains the chords: Dm7, G7 and Cmaj7. In other words, if your chart tells you to play a Cmaj7, you can play an Amin7 chord or an Emin7 chord. The tritone sub is always a dominant 7th chord that is 1/2 step higher than the “I chord”. Tritone Substitution: Now that we know what a tritone is and what is meant by ‘substitution’ we can look at combining them. Tritone Substitution and Scales Ordinarily, you would just use the C Major Scale (or equivalent modes) to improvise over a II-V-I in C, as shown in Chord Progression #1 below. Scale Choice for the Tritone Substitution. The tritone substitution is one of the most common chord and improvisation devices in jazz. The Lydian dominant scale is a mode of the melodic minor scale. A tritone substitution is the substitution of one dominant seventh chord (possibly altered or extended) with another that is three whole steps (a tritone) from the original chord. Tritone Bridge "Tritone Bridge" is a term used to describe using tritone substitutions throughout the bridge of a rhythm tune. Simply put, a tritone substitution is taking a dominant chord and substituting it with another dominant chord that’s 6 half steps higher. Close. Tritone Bridge. What are Tritone substitutions. Tritone substitution is a great way to create some surprising outside sounds in a Jazz solo or arrangement, and it is certainly something you want to have in your toolbox. They work because the Guide Tones (3rd & 7th) are the same in both chords. Keep in mind that no scale is a cure-all for your jazz vocabulary ailments. Whatever floats their boat. The only major 7 tritone subs in the handout are shown in the Tadd Dameron Turnaround Version #2, but that particular chord progression has 3 different major 7th tritone sub chords that can all use a Lydian scale based on the different roots, as shown. For example, if you have a C7 chord you’d substitute it with a Gb7 chord. Archived. The tritone substitution is a dominant, or secondary dominant 7th chord whose root is a … The tritone substitution refers to the bass note of the dominant seventh chord. The scale diagram below shows how to work out the tritone sub from a G mixolydian scale. In the key of C major, “C major” would be your I chord. [Click an icon to jump ahead to a particular section] It can be used to create a descending bass line in a II – V – I progression. 23 comments. share. G7 = G B D F; D♭7 = D♭ F A♭ B; Tritone Substitution and Scales Jazz language doesn’t come from a scale, but scales are still important. So with this definition both augmented fourth and diminished fifth qualify as a tritone.. "Tritone Bridge" is a term used to describe using tritone substitutions throughout the bridge of a rhythm tune. Yeah, we found so many examples that we categorized them for you. Posted by 1 year ago. Jazz Theory, Technique & Solo Transcriptions, Electronic Journal of Severe Storms Meteorology, The CopyFox Writing and Editorial Services. This is a way of substituting V7 chords. Now that you know how to build a tritone scale, R-b2-3-b5-5-b7, let’s take a look at a few common fingerings for this scale on the guitar. Because they share the same tritone, they are possible substitutes for one another. Tritone Substitution amp Scales The Jazz Piano Site - Introduction One of the most common Chord Substitutions in Jazz is the Tritone Substitution This is a way … Tritone Substitution is usually applied to a Dominant 7 chord. I think that “pitch collection” makes it easy to conjure up a mental picture of someone soloing using a group of notes rather than running scales, so maybe the term is helpful. There are even musicians (often times piano players) who have taken a liking to the world of reharmonizing and autom… So… what scale do you use to play over it? All Rights Reserved. The tritone scale has the intervals, Root-b2-3-b5-5-b7, so all of those juicy notes we saw in the C7b9#11 chord in the first bar of the example. For example, above we said that D – G# forms a tritone, and Bb – E as well. Whether that note in the blues scale is written as a #4 or a b5 usually depends on the direction of the melody: #4 ascends, b5 descends. 67% Upvoted. Learn how your comment data is processed. These are two standard subs for major chords. I hope this handout helps! These 3 scales are related and contain the same notes, but start on a different root. 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. I think that in this (and most other) contexts the broad definition of the tritone makes sense, which says that a tritone is an interval spanned by six semi-tones. New comments cannot be posted and votes cannot be cast. You can’t learn a language by learning a few words; you must learn sentence structure, grammar, syntax, etc. 1/2 step higher would be the note ‘C#’ or ‘Db’ (same note). So you're a guitarist and you want to start getting your jazz chops together. This site uses Akismet to reduce spam. I always think of the tritone interval as being "diagonal" because it goes one fret up and one string over! This is known as a tritone substitution. It has the same notes as the altered scale built on the seventh mode of the same melodic minor scale. That’s because Gb is 6 half steps higher than a C. So a G7 would become a D♭7 (the root note is a tritone away). Therefore the “tritone sub” for the key of C major would be the Db7 chord. In other words, tritone substitution involves replacing V with ♭II (which could also be called ♭V /V, subV , or V /♭V ). This went against everything music appeared to stand for, and was christened diabolus in musica – the Devil in music. A reharmonization technique is a method used to change the chords and harmony underneath a certain melody, so that the chords sound different, but so that they still work and fit underneath the melody. The Tritone scale can be viewed as a triad pair, where it is constructed by two major triads a tritone apart. hide. Hi, I'm Brent Vaartstra. The second exercise (last example) demonstrates this beautifully and is one you definitely should get under your fingers. ... What Scale and Arpeggios Can You Use? The Lydian scale (1, 2, 3, #4, 5, 6, 7, 8) can be used for major 7 tritone substitutions (e.g. The original dominant 7th chord shares the same guide tone notes with the tritone sub chord, so the main difference is between the two chords is the root, however when a Db7 scale … This means that it is a subset of the diminished scale which … This scale was called the Locrian mode, and it was the only one where the fifth degree of the scale is not a perfect fifth - it’s an augmented fourth – a forbidden tritone! Check out his music at www.camdenhughesmusic.com. But what if you were to tritone substitute the G7 to D♭7, like in Chord Progression #2 above? Tritone substitutions refer to changing a dominant chord for another dominant chord a tritone away. Camden is a working jazz pianist, multi-instrumentalist, and music educator currently living near Boise, ID. Well, the ‘rule’ is this: any scale that contains the notes of the chord you want to play over is a candidate. 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