Chords & Chord Progressions: How to Transpose Chord Progressions Like a Pro

An illuminating lesson in how to transpose chord progressions like a mindful musician… not like a mindless computer…

Table of Contents

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Prerequisites

Basic music reading… LOVE of music… and the discipline to study and practice.

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Lesson Goal

To start thinking about and hearing chords and chord progressions in functional terms (ref: Roman Numeral Analysis).

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Benefits of Learning How to Transpose Music

Transposition–the process of playing or writing a piece of music in other than the original key–enables you…

1. To play a song in a comfortable range for the vocalist… a valuable skill for any accompanist.
2. To play in keys preferred by other instrumentalists in an ensemble setting. For example, guitarists prefer keys with open strings such as of E and A, while horn players prefer “flat” keys such as F, Bb, and Eb.
3. To play comping patterns, chord voicings, and licks in a variety of keys… a valuable skill for all blues, pop, rock, and jazz players.

(Of course, nobody ever asks the piano player what keys they prefer!)

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How NOT to Transpose Music

The widely-prescribed formula for transposing is to count how many half-steps the new key is above or below the original key, then to add or subtract that many half-steps from every note.

Such a formula is logically correct, but suffers from three fatal flaws:

1. It treats music like a math problem to be conquered with your intellect. (Music is not math; music is a language.)
2. While it’s easy to understand in theory, it’s almost impossible to execute in practice unless you are a computer.
3. It totally devoid of musical understanding.

As musicians, our goal is not to train ourselves in the herculean task of adding or subtracting some number of half-steps to or from every note, but to apply our functional understanding of the melody and harmony… as you will learn in the following sections…

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How to Transpose Chord Progressions Like a Musician

Consider the standard chord progression in the key of C Major: Dm7-G7-CM7-Am7.

And let’s say we wanted to play this chord progression in the key of G Major.

The key to transposing this chord progression to any other key is to understand the chord sequence in functional terms, in other words, as ii7-V7-IMaj7-vi7 using Roman Numeral Analysis.

Then, all you have to do is think and play “ii7-V7-Imaj7-vi7″ in the new key.

Visually, the process looks like this…

In other other words, you do not “transpose” at all. You simply play the functional chord changes in the new key!

No counting half steps… No mental gymnastics… And no brute force calculations. All that’s required is to understand what chords are being played in functional terms using Roman Numeral Analysis! (If you really know your scales, this process should be a piece of cake.)

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Some Words of Encouragement

This may seem like an overwhelming task, but I assure you it’s not as hard as it’s made out to be. For the moment, it’s enough just to understand and appreciate the power of transposing melodies using Solfege and chord progressions using Roman Numeral Analysis. Keep on learning your scales, chords, and chord progressions the right way and you’ll quickly internalize the necessary knowledge and skills by osmosis, guaranteed!

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learn more… Scales / Chords & Chord Progressions