Everything you need to understand the Dead Sea Scales™ system — the theory, the history, the proof.
In Hitchhiker's Guide, the answer to everything was 42. In music: 7 notes + 5 missing = 42 modes. A thousand years of variables buried the question. Here's how to remember it.
Same 10 operations applied to harmony. The Hendrix chord is the Blues note on a dom7. Every altered chord extension in jazz = a Missing Note viewed vertically. 539 chords mapped.
Every note combination is both a scale and a chord. 2,048 total. DSS documents 256 that cover 100% of historically named scales and chords. 12.5% of the math. 100% of the music.
5 mirror operations. 14 unique new scales + 21 clock rotations. George Russell's Lydian and Guido's Mixolydian both live here — arrived at from opposite directions.
From Pythagoras to Guido d'Arezzo to George Russell to Dead Sea Scales. 2,500 years of music theory in one article. The origin of every note you've ever played.
He created Do Re Mi Fa Sol La — 6 notes, not 7. He removed the 7th to avoid the tritone. In DSS terms: the first Deleted Diatonic. A thousand years before anyone had a name for it.
His Lydian Chromatic Concept launched modal jazz and inspired Kind of Blue. In DSS: Quest Else (Ionian #4) — one operation in a complete 10-operation framework.
Every culture on Earth independently found the same 5 notes. Why? Delete the two notes that create the tritone. The pentatonic isn't a discovery — it's a deletion.
Reference posters, free, no email required. Download, print, tape to the wall. (Prefer them delivered? The free email pack still exists.)
All 35 extended modes beyond the diatonic 7. Color-coded by Missing-Note family.
Download PDF (8 MB) →Diatonic → Hexatonic → Pentatonic. Three columns, same modes. Print-optimized.
Download PDF (4 MB) →The original full-art edition of the Hexatonic/Pentatonic decoder poster.
Download PDF (5 MB) →The system on one sheet — how every scale connects back to one parent.
Download PDF (2 MB) →35 mirror modes. Clock rotations labeled. Unique families marked.
Get it from the shop →Guido taught 6 notes · Russell recentered the universe · Dead Sea Scales finished the map