Tetrachords: Jazz 4 note Cells for improvisation lesson

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In modern jazz and jazz/Fusion it is really useful to look at the harmonic implications in terms of pentatonics, arpeggios, chord tones, motifs, melody notes,chromatics.

Once this is done it can be very useful to break the line up into “TETRACHORDS” [4 note groupings]. This is essential when it comes to “Double timing”. [Once you get it down then you can break the line up and make rhythmical. adjustments].

Below is the the first two tetrachords of the line:

Tetrachords: Jazz 4 note Cells for improvisation lesson
Tetrachords: Jazz 4 note Cells for improvisation lesson

If you play each 4 note grouping separately and then join the two groupings together the rhythmic fluidity of the line flows because the fingers, mind and ear know where to go.

Tetrachords: Jazz 4 note Cells for improvisation lesson
Tetrachords: Jazz 4 note Cells for improvisation lesson

Next do the same with the descending part of the line:

Tetrachords: Jazz 4 note Cells for improvisation lesson
Tetrachords: Jazz 4 note Cells for improvisation lesson

In this example we will play through the tetrachords by joining them together at a steady 110 BPM in 16ths.

Tetrachords: Double Timed Jazz 4 note Cells for improvisation lesson
Tetrachords: Jazz 4 note Cells for improvisation lesson

audio 110 bpm

Below is an example that employs a more creative intervallic idea. This is very common in modern jazz due to its use of digital patterns and a “Quartal” approach/design to the harmony.Screen Shot 2019-02-10 at 13.26.08

The last example employs chord pairs on the G7 altered chord..

ALT LICK: Tetrachords: Jazz 4 note Cells for improvisation lesson
Tetrachords: Jazz 4 note Cells for improvisation lesson

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