Lesson Thirteen • Building Blocks for Melodic Lines
Last time out, we played some scales and arpeggios with different rhythms to gain fluency with these structures. Now let's find some uses for them. This concept is the basis for Jazz Guitar Structures.

One way to create melodic lines is use smaller structures or melodic fragments. If you analyze a solo that features a lot of long, complex lines, you will soon realize that most of the time, they are made up of many shorter ideas that are identifiable. I'm going to concentrate on two structures that are really useful in this way -- minor 7 arpeggios and tetrachords (four-note scale fragments). Here's an example of how it works:

 
In this example, the minor 7 arpeggio built on the 3rd of the Cmajor7 chord connects with a minor tetrachord taken from the Diminished Scale for A7b9 . This connects with the minor 7 arpeggio built on the fifth of D-7 and finally with another minor tetrachord from the Diminsihed Scale for G7b9.  
Here's an example of using parallel minor 7 arpeggios over a ii-7 V7 I progression:  
Until next time,
AG
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