Aebersold Aebersold N°42 - Blues In All Keys + CD
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Summary of This Method
This method is designed to develop a solid, musical, and controlled blues in all keys. The principle is simple and effective: you go through the 12 keys at a slow tempo, which gives you time to hear, anticipate, and build your phrases without feeling rushed. It's an excellent playground to improve your ear, your understanding of harmonic functions, and your confidence in improvisation.
Each key offers a different blues melody to avoid mechanical repetition and stimulate inspiration. You thus work on vocabulary (patterns, articulations, placements) while keeping a very concrete goal: to be able to play a credible blues, whatever the tune or key imposed in a jam session.
To go further, each key also includes two compatible chord and scale progressions. This allows you to approach improvisation in a structured way: identifying anchor points, securing target notes, and varying your colors (blues, pentatonic, more "jazz" approach) while remaining coherent with the harmony.
Practice tip: try to play some keys without reading as soon as possible. You will quickly notice that your ear takes over, harmonic memory sets in, and your solos gain fluidity. The whole is supported by a high-level rhythm section with James Williams on piano, Bob Cranshaw on bass, and Mickey Roker on drums, for pleasant and very instructive accompaniment.
Technical specifications
| Musical Genre | Jazz, Blues, Soul | Publication | Sheet music |
| Artists | James Williams (piano), Bob Cranshaw (bass), Mickey Roker (drums) | Genre | blues / improvisation method |
| Instrumentation | all instruments (transposed) | Difficulty | all levels |
Questions frequently asked
Does this method allow working on the blues in all 12 keys?
All 12 keys are covered at a slow tempo to work on listening, anticipation, and phrase construction. A different blues melody is offered in each key.
Is Aebersold N°042 Blues In All Keys suitable for all instruments?
The book is intended for all instruments, with transposed parts. It can therefore be used to practice blues improvisation on various melodic instruments.
Which chord progressions are included?
Each key includes two compatible chord and scale progressions. This content helps identify target notes and explore blues, pentatonic, or jazz colors. Practice can be based on the proposed harmonic functions.
Who plays on the accompaniment CD?
The rhythm section features James Williams on piano, Bob Cranshaw on bass, and Mickey Roker on drums.
What skill level is required for this blues method?
The difficulty is stated as suitable for all levels. The slow tempo of the 12 keys provides a working base adapted to learning and developing improvisation vocabulary.



