3.6 Improvisation Strategies
Advanced techniques for crafting expressive solos and developing a personal style
Fundamental Concepts
Notes on the agreement of strong beats — the melodic aim of phrasing
Semitone up/down leading to the target note
Circle the target area from above and below before landing there
Creating and resolving harmonic and rhythmic tension in phrasing
Taking a brief idea and transforming it: transposition, expansion, inversion
Solo structure: ascending, descending, arched, rhythmic variations
The Art of Jazz Improvisation
Jazz improvisation is not ‘playing random notes on a scale’ — it is a form of spontaneous composition in which melody, harmony and rhythm blend into a coherent and personal musical narrative. Great improvisers do not think in terms of scales: they think in terms of phrases, stories and emotions.
In this lesson, we’ll explore practical techniques that enable you to go beyond scales and craft memorable solos: how to use target notes, chromatic approaches and enclosures; how to manage tension and release; and how to develop melodic ideas rather than just racing up and down the scale.
Target Notes — The Melodic Target
A target note is a note in the chord that falls on a strong beat (beat 1 or 3) and forms the focal point of your melodic phrase. Thinking in terms of target notes transforms improvisation from a ‘list of scales’ into a ‘melody with a destination’.
Hierarchy of Target Notes
Chromatic Approaches
A chromatic approach is a note a semitone away from the target note, which precedes and ‘sets the stage’ for the landing on the target note. It adds chromatic tension that resolves immediately, bringing life and swing to the phrasing.
Bottom-up approach
A semitone below the target. E.g.: C♯ → D (target). Very common in bebop.
Approach from above
A semitone above the target. E.g.: E♭ → D (target). Often used with high notes.
A Two-Pronged Approach
High and low before the target. More decorative, it builds anticipation.
Examples of II-V-I in C
Enclosures — Encirclement
An ‘enclosure’ is a classic bebop technique: you ‘encircle’ the target note by playing a note above and one below it before landing on it. It creates a sophisticated ornamental effect and an unmistakably jazzy phrasing.
Type 1: Chromatic + Diatonic
Target: D (3rd of Bm7) → Notes: E♭ (chromatic above) then C (diatonic below) → D ✓
Type 2: Diatonic + Chromatic
Target: G (5th of Cmaj7) → Notes: A (diatonic above) then G♭ (chromatic below) → G ✓
Table of Common Enclosures
| Target Notes | Type 1 Enclosure | Type 2 Enclosure |
|---|---|---|
| Do (C) | C♯ – B → C | D – B → C |
| Me (E) | F – D♯ → E | F♯ – D♯ → E |
| Sol (G) | G♯ – F♯ → G | A – F♯ → G |
| Yes (B) | D – A♯ → B | D♯ – A♯ → B |
Tension and Release
The expressive heart of every solo lies in the management of tension and release. Tension creates anticipation, excitement and dissonance. Release creates satisfaction, resolution and peace. A flat solo lacks variations in tension — a memorable solo oscillates between the two states in a narrative way.
Building Tension
- Notes outside the scale (avoid notes)
- Phrasing in the upper register
- High rhythmic density (fast notes)
- Rhythmic displacement (melody ‘off’ the beat)
- Notes played on dominant chords
- A dynamic build-up to the climax
Release Tension
- Landing on the notes of the chord (3rd, 7th, 1st)
- Phrasing in the lower-middle register
- Space and silence (meaningful pauses)
- Phrasing in the V→I progression
- Dynamic decrease
- A simpler, clearer rhythm
Tension Arc — Structure of the Solo
A typical 32-bar jazz solo gradually builds tension towards a climax (bars 20–24) and then resolves in the final 8 bars.
Motif Development
Motif development is the technique used by Sonny Rollins, Thelonious Monk and other greats: taking a short melodic idea (a motif of 2–4 notes) and developing it throughout the entire solo, transforming it in different ways. It creates coherence and a sense of narrative rather than a series of disjointed licks.
Repeat the same motif, or one with slight variations. This creates a sense of familiarity and anticipation.
The same motif on a different note (diatonic or chromatic). Play the motif through the chords.
Double the rhythmic values. The motif expands, creating a sense of calm or solemnity.
Halve the rhythmic values. The motif speeds up, creating excitement and a sense of urgency.
Reversing intervals: upward jumps become downward jumps, and vice versa.
Play the melody backwards. It’s rarely used, but it creates surprising effects.
Interactive Motif Builder
Enter a 4-note motif (scale degrees) and see how it changes when you apply different techniques.
Melodic Contour
The melodic contour is the visual shape of the melody — does it rise, fall, or form an arc? Great soloists think in terms of shape, not just notes. A monotonous solo sounds flat; a solo with a varied contour keeps the listener hooked.
Rising action: creates tension and anticipation. Used to build towards the climax.
Descending: creates a sense of release and resolution. After a climax, the solo descends.
Arco: it rises and falls within the same sentence. The most satisfying and balanced.
Inverted Arch: it descends and then rises again. Less common, it creates a valley and climb effect.
Rhythmic Strategies
Round of 16 Swing
In jazz, octaves are played with a ‘swing’ feel: the first note is longer than the second (roughly 2:1 or 3:1). Don’t play them straight — it’s all about the groove.
Rhythmic Shift
Play a phrase that is ‘off’ by an octave (either brought forward or delayed). This creates a polyrhythmic tension that resolves magically on the next beat.
Metric Overlay
Playing 3-beat patterns over a 4/4 rhythm (or vice versa). This creates the impression that the metre is ‘changing’ whilst remaining steady. An advanced technique typical of post-bop.
Behind/On Top of the Beat
"Behind the beat" = slightly behind the beat, creates a relaxed feel (Lester Young). "On top" = slightly ahead of the beat, creates tension and a sense of urgency (Clifford Brown).
Practice Routine
Before you start playing, sing the 3rd and 7th notes of every chord in the piece you’re working on. Get a feel for the harmony.
Use only chord tones + chromatic approaches/enclosures. No diatonic passing tones. Focus your ear on the approaches.
Create a motif of 3–4 notes and improvise using ONLY that motif, varying it. Do not change the motif for at least 8 bars.
Transcribe 2–4 bars of a great soloist’s performance every day. Analyse it: do they use target notes? Enclosures? What is the melodic contour? Then play the transcription until you’ve learnt it by heart.
Improvise freely to a backing track. Forget the rules — play with feeling. Record yourself and have a listen.
Essential Listening
The father of bebop. Study his use of approach notes, enclosures and the speed with which he resolves each chord. “Ko-Ko” and “Anthropology” are essential.
A true master of motivic development. In ‘St. Thomas’ and ‘Blue Seven’, you can hear how he takes a three-note idea and develops it over entire choruses.
A masterclass in the use of space, tension and release, and melodic simplicity. Every note Miles plays serves a purpose. “So What” and “Freddie Freeloader” are masterpieces.
"Sheets of Sound" — maximum density with transitions between chords at astonishing speed. Study how he uses chromatic approaches and patterns on the Coltrane Changes.
Developing Your Own Unique Voice
All these techniques are tools, not rules. The ultimate aim is to develop a personal voice — an instantly recognisable style of playing that emerges from the combination of absorbed influences, personal aesthetic choices and years of conscious practice.
Solo Checklist:
- Do I have clear target notes?
- Am I using enclosures/approaches?
- Is there a build-up of tension in the solo?
- Am I developing motivic ideas?
- Am I making the most of the space and silence?
- Is the melodic texture varied?
The Improviser’s Mindset:
- Listen to the band — you’re on the phone
- Make a mistake and carry on — don’t correct it
- Less is often more
- Play what you feel, not what you know
- Always log in — analyse and improve
- Write it down every day