The key to transposing harmony like a musician, not like a computer, is to conceive and hear the music in functional musical terms…
… not just as an arbitrary collection of notes to be manipulated with mental gymnastics.
For example, consider the standard chord progression: Dm7-G7-CM7-Am7.
The key to success is to understand this chord sequence in functional terms, in other words, as ii7-V7-IM7-vi7.
Then, if you want to play it in another key, all you have to do is think and play “ii7-V7-IM7-vi7″ in the new key.
In other other words, you do not “transpose” at all. You simply play those functional chord changes in the new key!
No counting half steps!
No mental gymnastics!
No brute force calculations!
All that’s required is to understand what chords are being played in functional terms!
learn more… Chord Progressions
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