* We omit melodies from our charts for copyright reasons.
If you've decided to tackle "Giant Steps," you already know its reputation. Here's the part that actually helps once you sit down at the keyboard: it's not chaos. It's a puzzle, and the solution is simpler than the chart looks.
John Coltrane wrote "Giant Steps" and recorded it on May 5, 1959, at Atlantic Studios in New York, with Tommy Flanagan on piano, Paul Chambers on bass, and Art Taylor on drums. It became the title track of his 1960 album Giant Steps, his first as a leader for Atlantic Records after leaving Miles Davis's group. Every track on the original album was a Coltrane original, and he carried the same harmonic idea into the companion tune "Countdown" on the same record.
Start with Coltrane's original 1959 studio take, the one that opens the Giant Steps album. It's the version everyone means when they talk about the tune, and it's also the source of jazz's most-repeated Coltrane story: Tommy Flanagan, sight-reading the chart at a blistering tempo, gets tangled during his piano solo and has to fall back to just outlining the chords. Flanagan recorded his own confident version of the tune years later, once he'd had time to actually learn it.
"Giant Steps" is built on a 16-bar form that packs in around 26 chord changes. The reason it feels like it's sliding out from under your fingers is that it cycles through three key centers a major third apart: B major, G major, and Eb major. Stack three major thirds and you get an augmented triad, which divides the octave into three equal parts instead of the usual dominant-to-tonic motion by fourths. That symmetrical, non-functional movement is what makes the tune resistant to muscle memory. Your ear can't lean on a home key the way it normally would.
This three-key system is now called the Coltrane changes, also known as the Coltrane matrix or "three-tonic system." It wasn't entirely without precedent (some theorists point to the bridge of "Have You Met Miss Jones" as an earlier example of the same major-third relationship), but Coltrane is the one who built an entire tune out of it and made it a rite of passage for improvisers.
For a pianist, the practical takeaway is to stop reading the chart one chord at a time and start hearing it as three tonal centers connected by quick ii-V's. Once B, G, and Eb register as "home bases" instead of a wall of changes, the tune gets a lot easier to navigate, even at tempo.
Pair this with the chord chart to see exactly how those three keys map onto the 16 bars, then start slow. Don't try to play it fast on day one. The goal is internalizing the three-key cycle so your hands know where they're going before your eyes do.
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