Description
Why does *Autumn Leaves* start on Cm7 if the tune is in G minor? And why does so much of the harmony sound like B♭ major?
In this lesson, we dig into one of the most important—and often misunderstood—ideas in jazz harmony: the relationship between a *minor key and its relative major*.
Using *Autumn Leaves*, we’ll compare the tune from two harmonic perspectives: *B♭ major and G minor*. The chords may be almost identical, but their *functions, chord-scales, resolutions, voicing possibilities, and reharmonization choices* can be very different.
We’ll look at:
• Why Cm7–F7–B♭maj7 is not functioning in G minor the way many players assume
• How B♭ major and G minor are essentially two different perspectives on the same harmonic territory
• Why a tonic G minor is often *Gm6 / melodic minor*, rather than a simple Gm7
• The difference between Gm7 functioning as vi in B♭ and Gm6 functioning as i in G minor
• How Am7♭5–D7♭9–Gm changes meaning depending on the key center
• How functional harmonic maps make these relationships immediately visible
• How jazz musicians move between relative-major, tonic-minor, and modal interpretations
• Wynton Kelly’s G-minor line cliché
• The modal Gm7–C7 approach
• And, finally, what *Wynton Kelly, McCoy Tyner, and Bill Evans actually played on the famous stop-time chords*
The stop-time section is especially revealing. Lead sheets usually give us only the basic harmony and a few plain pickup notes—but the great players transformed those ingredients through voicing, rhythm, voice leading, embellishment, and harmonic interpretation.
I’ve collected the harmonic analysis, functional maps, theory notes, transcriptions of the stop-time chords and turnarounds, and practice material into the *Autumn Leaves Harmonic Analysis & Voicing Workbook* so you can work through these concepts at the piano.
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Understanding the key isn’t just about putting the correct Roman numeral underneath a chord. It changes the way you *hear the progression*, the scales you choose, the voicings you play, and the reharmonizations you discover.
Once you understand why *Autumn Leaves* can live simultaneously in the worlds of B♭ major and G minor, the tune becomes a much richer harmonic playground.
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