Mastering the all of you chords gives you a direct window into Cole Porter's genius for blending sophisticated harmony with deep emotional resonance. Written in 1954 for the Broadway musical Silk Stockings, this jazz standard has become a cornerstone for instrumentalists and vocalists looking to navigate complex harmonic landscapes. If you've ever tried to play through the changes and found yourself tripped up by the sudden shifts between major and minor tonicizations, you aren't alone.
This guide breaks down the exact chord progressions, harmonic functions, and voice-leading secrets behind the song. You'll learn how to analyze the chart, map out reliable chord voicings for piano and guitar, and apply Porter's compositional techniques to your own original music.
Decoding the Form and Key Center
Cole Porter sets "All of You" in the key of E flat major, utilizing a standard 32-bar AABA form. But what makes the tune fascinating from a compositional standpoint is how quickly it introduces modal mixture and secondary dominants to create tension.
The primary challenge in the A section is the rapid oscillation between diatonic stability and chromatic passing chords. Porter doesn't just stay parked in E flat major; he weaves minor plagal movements and half-diminished setups into the mix, forcing the player's ear to adjust constantly.
The A Section Harmony
The opening bars establish a delicate balance between minor and major sonorities. Let's look at the functional breakdown of the first eight bars:
- Bars 1-2: Starts on an $Fm7\text{(b5)}$ moving to a $Bb7\text{(b9)}$, setting up a classic ii-V in E flat major, but immediately pivots through an $Abm6$ or $Fm7$ variation.
- Bars 3-4: Introduces secondary movement with a $Gm7$ to $C7$ turnaround, steering the listener toward a temporary landing point.
- Bars 5-8: Resolves back through chromatic dominant chains that smooth out the voice-leading before the phrase resets.
According to jazz theory resources like Jazz Analytics, the frequent interchange between $Fm7\text{(b5)}$ and $Abm6$ is a hallmark of Porter's harmonic palette. Both chords share similar harmonic weights and serve as backdoor dominants or subdominant minor substitutions that pull heavily toward the tonic.
Essential Voicings for Piano and Guitar
Playing these changes requires more than just basic root-position triads. To capture the emotional depth of the song, you need shell voicings and extensions that highlight the voice-leading.
Piano Voicings: Left Hand Shells and Right Hand Extensions
On the piano, avoid heavy block chords in the lower register. Instead, use left-hand root-third or root-seventh intervals to outline the foundational bass movement, leaving the middle and upper registers open for extensions.
- For the $Fm7\text{(b5)}$ chord, play the root ($F$) and flat seventh ($Eb$) in your left hand, while your right hand voices the minor third ($Ab$) and flat fifth ($B$).
- When transitioning to the $Bb7\text{(b9)}$ dominant, keep your thumb on the third ($D$) and let your upper fingers voice the flat ninth ($Cb$) and fifth ($F$).
- Resolve smoothly into the $Ebmaj7$ or $Eb6$ chord by dropping the inner voices by half steps.
Guitar Voicings: Drop 2 and Drop 3 Chords
Guitarists face a unique challenge on this tune because of the tight turnaround times between chords. Drop 2 voicings across the middle strings (D-G-B-E) allow for smooth fingerboard navigation without excessive jumping.
- Fm7: Place your index finger on the 8th fret of the A string, playing root, flat seventh, minor third, and fifth across the fretboard.
- Bb7: Shift down cleanly by utilizing a tritone substitution where appropriate, or walk your top voice down chromatically to match the vocal melody.
Emotional Connection Through Voice Leading
Why do certain chord progressions pull at our heartstrings while others feel clinical? In "All of You," the emotional weight comes from chromatic voice leading—specifically, the inner voices moving by half steps while the outer voices outline stable harmonic pillars.
When a melody note holds steady over a changing chord, or when an inner voice descends by a semitone (such as the shift from $Bb7$ down to $A7$ and $Ab7$), the brain perceives a subtle psychological tension and release. Composers use this technique to mirror the feeling of longing or hesitation in lyrics. If you're writing your own music and want to evoke a similar mood, try inserting a minor iv chord ($Abm6$ in the key of $Eb$) right before your major tonic resolution. That minor color instantly adds a touch of bittersweet nostalgia.
Common Mistakes to Avoid
Players often stumble on this standard because of a few recurring pitfalls:
- Rushing the Turnarounds: Don't treat the passing chords as throwaway notes. Every half-step shift has a specific pull that prepares the ear for the next measure.
- Over-complicating the Bass: If you're accompanying a soloist, don't crowd the register. Let the bass player outline the fundamental root movement while you focus on color tones like the major 7th and 9th.
- Ignoring the Melody: The chord changes exist to support the vocal line. Always practice the head while singing or humming the melody to ensure your comping breathes with the phrasing.
Frequently Asked Questions
What is the original key of All of You?
The song was originally composed and published in the key of E flat major. However, instrumentalists frequently transpose it to F major or C major to accommodate horns or vocal ranges.
Why does the chord progression feel so tricky for beginners?
The tune relies heavily on modal mixture, swapping between major and minor parallel keys within the same phrase. This requires the player to navigate altered dominants and half-diminished chords without a static diatonic safety net.
How can I apply these chord movements to my own songwriting?
Study how Porter uses chromatic passing diminished chords and subdominant minor substitutions. Try writing an eight-bar chord progression in a major key, then substitute your standard IV chord with a minor iv chord to instantly deepen the emotional impact.
