Nick Andrew: tritone fascination

In this first example, we are just playing over the I chord, A7, to the IV chord of D7, and back again. This is an easy way to get used to the sound and where to use it.

I start by playing the changes as a simple scale exercise before doing the same thing using an arpeggio idea.

Tritones sound most effective when used in the bar before the chord change, so when the chord is changes from A7 to D7 in bar 5, you would play the tritone of A7 in bar 4 (the tritone is Eb). The bar before the change!


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