The use of eight-tone scales in jazz became popular in the 1940s and have since become a familiar sound. They are made by adding an additional
tone to a major scale. There are many more eight-tone scales than there is room for in this lesson, but you should get a lot of mileage out
of the two shown below.
The Eight-Tone ii-V7 Scale
This scale works very well over both the ii and the V7 chord in a ii-V7-I progression. It also sounds great over dominant 7th chord vamps.
The Eight-Tone I Scale
It is a major scale that includes both the natural 7 and the b7. Here it is in C.
This scale works well over major chords. It is a major scale that includes both the 5 and #5. It has a very smooth sound.
Here are some phrases illustrating the use of these eight tone scales.