iii–♭III–ii–♭II–I in F♯ Major

Pattern: iii – ♭III – ii – ♭II – I Chords: A♯m – A – G♯m – G – F♯

Chord Breakdown

Numeral	Chord	Type	Function
iii	A♯m (details)	minor	Mediant
♭III	A (details)	major	Mediant
ii	G♯m (details)	minor	Supertonic
♭II	G (details)	major	Supertonic
I	F♯ (details)	major	Tonic

Harmonic Analysis

This progression moves through A♯m (Mediant) → A (Mediant) → G♯m (Supertonic) → G (Supertonic) → F♯ (Tonic).

A fully chromatic descending bass line from iii to I, alternating between diatonic and borrowed chords. This creates a sophisticated, tension-filled descent that is a hallmark of modern jazz harmony and Coltrane-era composition.

Song Examples

Giant Steps — John Coltrane
26-2 — John Coltrane

Chord Details

A♯m A G♯m G F♯

More Progressions in F♯ Major

I–IV–V–I I–V–vi–IV I–vi–IV–V ii–V–I I–IV–V I–♭VII–IV vi–IV–I–V I–V–vi–iii–IV–I–IV–V I–IV I–V IV–V IV–I