Scales reference

Ionian Mode

Ionian is the first mode of the major scale. It shares the major scale's interval structure while describing that structure through its role in the modal family.

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C Major on 6-string Guitarfull neck projection with 6 strings, frets 0 through 24, right-handed presentation, and notes labels.

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C Major Scale

Theory
Scale
Written root
C
Instrument
6-string Guitar
Tuning
E Standard
Labels
Notes
Handedness
Right handed
C Major visible positions on 6-string Guitar, using notes labels
String, low to highFretCurrent labelNoteDegreeIntervalRoot
10EE33No
11FF44No
13GG55No
15AA66No
17BB77No
18CC11Yes
110DD22No
112EE33No
113FF44No
115GG55No
117AA66No
119BB77No
120CC11Yes
122DD22No
124EE33No
20AA66No
22BB77No
23CC11Yes
25DD22No
27EE33No
28FF44No
210GG55No
212AA66No
214BB77No
215CC11Yes
217DD22No
219EE33No
220FF44No
222GG55No
224AA66No
30DD22No
32EE33No
33FF44No
35GG55No
37AA66No
39BB77No
310CC11Yes
312DD22No
314EE33No
315FF44No
317GG55No
319AA66No
321BB77No
322CC11Yes
324DD22No
40GG55No
42AA66No
44BB77No
45CC11Yes
47DD22No
49EE33No
410FF44No
412GG55No
414AA66No
416BB77No
417CC11Yes
419DD22No
421EE33No
422FF44No
424GG55No
50BB77No
51CC11Yes
53DD22No
55EE33No
56FF44No
58GG55No
510AA66No
512BB77No
513CC11Yes
515DD22No
517EE33No
518FF44No
520GG55No
522AA66No
524BB77No
60EE33No
61FF44No
63GG55No
65AA66No
67BB77No
68CC11Yes
610DD22No
612EE33No
613FF44No
615GG55No
617AA66No
619BB77No
620CC11Yes
622DD22No
624EE33No

Overview

Ionian and the major scale contain the same interval pattern. The major-scale reference explains a foundational scale identity; the Ionian reference places that identity beside the other six rotations of the same parent system.

Keeping both concepts makes it possible to discuss equivalence without copying the complete major-scale explanation.

Construction

Ionian begins on the first degree of its parent major scale. Relative-mode comparison keeps the parent pitches fixed, while parallel comparison places several modes on the same tonic to reveal their altered degrees.

SQNTIAL Theory Authority

Definition
Major
Formula
1 · 2 · 3 · 4 · 5 · 6 · 7
Pitch count
7
Family
major

Characteristics

Its major third establishes major quality, and its leading tone creates strong motion toward the tonic. The perfect fourth distinguishes Ionian from the raised fourth of Lydian.

Applications

Ionian is useful when comparing modal families, identifying major-centred modal harmony, and distinguishing relative modes that share notes but organise them around different tonics.