";s:4:"text";s:2950:" This is where the confusion usually begins for students. So a G7 would become a D♭7 (the root note is a tritone away). A tritone is an interval of an augmented fourth or diminished (flatted) fifth (three whole steps). They share the tritone A-Eb/D#. So let’s plug in some variables. Harmonic Functions: Tritone Substitution and Augmented Sixths. The first exercise is to learn and familiarise yourself with the tritone 25 in all 12 keys. The term “Tritone”, refers to the interval tritone, which indicates that we will be dealing with a 4 and a half step difference as the tritone is a half step larger than a perfect fourth and a half step smaller than a … If you’re still wondering how we got Db as an augmented fourth interval below G, then you need to subscribe to our early bird list to know when we’re releasing our latest comprehensive workbook on the study of intervals. Tritone Substitution or The Substitution V7 (SubV7) Chord. So instead of G7 –> C, it will be “tritone sub” –> C Attention: Intervals are the building block of chords. So say the original song calls for a C chord, with a certain melody over it. The tritone substitution is a dominant, or secondary dominant 7th chord whose root is a … What is a “Tritone Sub?”? Tritone substitution is a very cool jazz chord substitution. A tritone substitution is the substitution of a dominant seventh chord with another chord whose root is a tritone (augmented fourth) lower. The resolutions that define a V7 - I are:.