Intermediate Jazz & Blues (Impro & Theory)

Jazz JamIntermediate/Advanced

From here onwards anyone with a reasonable basic knowledge of theory should be able to pick up a lot of new ideas and approaches. You should read and understand the lessons, but most importantly play the exercises. Even if you are not a piano player, it is important to be able to play the chords on a keyboard, and transpose them into different keys.

One of the first things to really understand is how chords are built from a basic scale – as we discussed in the beginners’ section. We looked at how the diatonic chords of C major are constructed from the C scale. (Diatonic means they are built purely on notes that are in the key, later we look at chords with notes from outside the key, ie Chromatic)

chords and scales
Chords built on scale degrees

(Full version available with Beginners Starter Pack)

There are many different schools of thought on how to teach or learn jazz improvisation. Some people recommend learning all the relevant scales and how they fit chord sequences, some recommend learning lots of established phrases, licks and patterns, some recommend just learning and playing tunes by ear. The best jazz improvisers often can’t explain the process, it is something totally intangible: a combination of intuition, imagination and great ears.

There are some improvisers who know relatively little theory but have the rare gift of hearing the chord changes and automatically knowing what to play. For the majority the best results come from a combination of hard study (private and tutored), lots of focussed practice, regular playing with other people and listening to the greats.

This section of the jazz pages became part of the Jazz Techniques Course at the University of Southampton. Learning to improvise jazz over chord changes can be quite intimidating at first. I recommend that once you understand some of the very basic theory it is a good idea to practice playing some simple modal patterns, as in the Dorian Patterns section. At all times bear in mind that although it is important to know the scales, you should be striving towards melodic playing, that the scales and modes are just a means to an end. After a while you should be able to combine the simple modal two-chord sequences with other chords so that you can improvise over more interesting progressions.

How to make the improvisation “fit” the chords

Here we are going to look at some basic ways of making an improvised melody fit the chords.

  • Chord notes Playing the chord tones as arpeggios, or jumping from one chord not to another. If you are not sure what chords are, this is a good time have a look at Jazz Theory for Beginners Part 1
  • Scales As you know from that page, arpeggios are usually notes of a scale that are spaced apart, so by filling in the “missing”notes in between, you get a scale.

To begin the most important part of this is to learn the chord notes. Some jazz educators suggest you learn scales to go with chord symbols, but I recommend you know the chord tones really well first, and then fill in the gaps to make up the scales (for reasons which I will make clear later).

There is much more to it than this, but before we get to some of the more”interesting” devices, we need to make sure that we really grasp these two aspect very firmly.


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