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  4. The Major Scale aka Ionian Mode

The Major Scale aka Ionian Mode

The Ionian mode, more commonly known as the major scale, is the first and most fundamental mode in music theory.

It consists of seven notes arranged in a bright and balanced pattern of whole and half steps (W–W–H–W–W–W–H), giving it its characteristic happy and stable sound.

As the foundation of Western tonal music, the Ionian mode is essential for understanding harmony, chord construction, and improvisation.

On guitar, it is widely used over major-type chords such as major, major seventh, and major ninth, making it a crucial scale for both beginners and advanced players. 

Ionian Mode Formula (major scale)

C Ionian mode C D E F G A B
Formula 1 2 (9) 3 4 (11) 5 6 (13) 7
Intervals W W H W W W H

(W = whole step ; H = half step)

 

As you can see in the chart above the major scale consists of a tonic (1), second (2), major third (3), fourth (4), fifth (5), sixth (6) and major seventh (7).

Note that the ninth, eleventh and thirteenth correspond to the second, fourth and the sixth.

It is very important to know how is constructed the major scale in order to be able to build any other major scale.

You have to memorize the order of whole steps and half-steps which is W-W-H-W-W-W-H.

How To Apply The Ionian Mode

You can apply the Ionian mode over any major chords as : Major (maj), major seventh (M7) , major sixth (M6 or 6) , major ninth (M9), six/nine (6/9). 

Degrees of The Major Scale

The eight degrees of the major scale have a specific name :

  • 1st - tonic
  • 2nd - supertonic
  • 3rd - mediant
  • 4th - subdominant
  • 5th - dominant
  • 6th - submediant
  • 7th - leading tone
  • 8th - tonic (octave)

How To Play The Major Scale On Guitar?

There are many ways to play the Ionian mode on the guitar. Here are four recommended one octave shapes:

  • This first pattern has roots (R) on the sixth and the fourth string.
  • The second shape has roots on the fifth and third string.
  • The third form has roots on the fourth and second string.
  • The fourth graphic has roots on the third and first string.

You need to know that each scale has a tonic note, this is the main note that a scale is build from, it gives its name to a scale.

To understand and hear correctly the sound of the major scale, it is better to play these patterns starting with the tonic (orange note in the diagram).

Ionian Mode and Major triad Chord - Audio file

For example, to play the C major scale starting with the lowest tonic (on the sixth string) you must put your second finger at the eighth fret on the sixth string.

Now you are ready to play each note of the scale from the lowest root to the highest. It's a basic approach indeed, there are many tips for practicing scales.

Ionian mode one octave guitar shapes 1

Major Scale Guitar Diagrams | Two-octave Shapes

The two diagrams on the right show how to play the Ionian mode within two octaves. 

One important thing to do when you practice scales is to sing notes while playing them on guitar. Indeed, this is an effective way to reinforce the link between what you play and what you hear.

This technique will help you to develop your musical ear. You can apply the singing/playing technique to all your guitar solos and improvisations.

Major scale two octave shapes guitar

Major Scale Guitar Shapes | 3 Notes Per String (3NPS)

Here are seven diagrams related to the seven major scales positions starting on each degree of the scale. The examples are in G major, all the shapes are movable, so you have to play them in all keys.

Notice that each shape can be seen as a mode of the major scale :

Ionian (Shape 1), Dorian (shape 2), Phrygian (shape 3), Lydian (shape 4), Mixolydian (shape 5), Aeolian (shape 6) and Locrian (shape 7).

Major scale guitar shapes 1

Major Scale Harmonization

In music theory, harmonization is the process of building chords from a given scale using common formulas. Here are the seven chords built from each degree of the major scale: 

Triad chords : These chords are built with three notes stacked in thirds.

Seventh chords or tetrads : They are made of four notes stacked in thirds.

In the key of C, the C major 7 chord is built by stacking C, E, G and B respectively root (1), major third (3), perfect fifth (5) and major seventh (7).

Go to see the blog post about the major scale harmonization.

Degrees I II III IV V VI VII
C major scale C D E F G A B
Triad  C Dm Em F G Am Bdim
Tetrads  CMaj7 D-7 E-7 FMaj7 G7 A-7 B-7b5

 

Chords Formulas

Seventh chords built from the C major scale

Chords Notes Formula Extensions Mode
CM7 C-E-G-B 1-3-5-7 9-11-13 Ionian
D-7 D-F-A-C 1-b3-5-b7 9-11-13 Dorian
E-7 E-G-B-D 1-b3-5-b7 b9-11-b13 Phrygian
FM7 F-A-C-D 1-3-5-7 9-#11-13 Lydian
G7 G-B-D-F 1-3-5-b7 9-11-13 Mixolydian
A-7 A-C-E-G 1-b3-5-b7 9-11-b13 Aeolian
B-7b5 B-D-F-A 1-b3-b5-b7 b9-11-b13 Locrian

 

Scale harmonization guitar pdf method

Major Scale (Ionian Mode) in Twelve Keys. 

Each key starts on a different root note but keeps the same interval structure:

C Major : C D E F G A B

G Major : G A B C D E F#

D Major : D E F# G A B C#

A Major : A B C# D E F# G#

E Major : E F# G# A B C# D#

B Major : B C# D# E F# G# A#

F# / Gb Major : F# G# A# B C# D# E#

Db Major : Db Eb F Gb Ab Bb C

Ab Major : Ab Bb C Db Eb F G

Eb Major : Eb F G Ab Bb C D

Bb Major : Bb C D Eb F G A

F Major :F G A Bb C D E

Chords And Arpeggios From The Major Scale

You must be able to write and play any major chord and arpeggio derived from the major scale. 

C major triad / chord : consists of a root (C) major third (E) and perfect fifth (G).

Notation : C, CM, C major.

C major C E G
Formula 1 3 5

 

C major seventh arpeggio / chord : root (C) major third (E), perfect fifth (G) and major seventh (B).

Notation : CM7, Cma7, Cmaj7, C.

Cmaj7 C E G B
Formula 1 3 5 7

 

C major sixth arpeggio / chord : root (C) major third (E), perfect fifth (G) and sixth (A).

Notation : CM6, Cma6, Cmaj6

Cmaj6 C E G A
Formula 1 3 5 6

 

C major ninth arpeggio / chord  : root (C) major third (E), perfect fifth (G), major seventh (B) and ninth (D)

Notation : CM9, Cma9, Cmaj9.

Cmaj9 C E G B D
Formula 1 3 5 7 9

 

C major eleventh arpeggio / chord : root (C) major third (E), perfect fifth (G), major seventh (B), ninth (D) and eleventh (11).

Notation : CM11, Cma11, Cmaj11.

Cmaj11 C E G B D F
Formula 1 3 5 7 9 11

 

C major thirteenth arpeggio / chord : root (C) major third (E), perfect fifth (G), major seventh (B), ninth (D), eleventh (F) and thirteenth (A).

Notation : CM13, Cma13, Cmaj13.

Cmaj13 C E G B D F A
Formula 1 3 5 7 9 11 13

 

 10 Major Scale Exercises

The following provides a bunch of exercises that will help you practice the major scale on guitar.

The first four exercises show how to play triads and tetrads built on each degree of the major scale.

The six other examples are built with 2-note intervals .

They will help you learn your scales in diatonic intervals as  seconds, thirds, fourths, fifths, sixths and sevenths.

Exercise 1 - Major Scale in Triad Chords

In the following audio clip the C major scale in harmonized in triads giving seven chords (drop 2). Try to do this in all twelve keys.

Ionian mode in triad chords

Exercise 2 - Major Scale in Triad Arpeggios

In this example, each chord of the C major scale is arpeggiated.

Ionian mode in triad arpeggios 1

Exercise 3 - Major Scale in Seventh Chords

The major scale is harmonized in seventh chords, providing 4 chord types : Major7, min7, dom7 and m7b5.

Ionian mode in seventh chords 1

Exercise 4 - Major Scale in Seventh Arpeggios

In this one you can clearly hear each tone of each chord of the major scale.

The arpeggios are played in order (I-II-III-IV ...), you can try to mix them and create new changes as I-III-V-VII or I-VI-II-V etc.

major scale seventh chord arpeggios

Exercise 5 - Major Scale in Seconds

The exercises below are based on the notes of the C major scale. It is essential to practice them in twelve keys, in ascending and descending movements.

In this first example the major scale is played in intervals of seconds.

Ionian mode soloing approach in 2nds

Exercise 6 - Major Scale in Thirds

Playing the major scale in thirds gives this interval pattern : 1-3-2-4-3-5-4-6-5-7-6-8  etc. The line is played is ascending, try to play it descending.

Ionian mode soloing approach in 3rds


40 major jazz guitar licks pdf ebook

Exercise 7 - Major Scale in Fourths

The fingering is a little bit more difficult when playing in intervals of fourths.

major scale in 4ths for guitar

Exercise 8 - Major Scale in Fifths

This exercise is played in position, within the span of 3 frets. You don't need to move you left hand.

Ionian mode soloing approach in 5ths

Exercise 9 - Major Scale in Sixths

Using large intervals as sixths and sevenths into your improvisations will make your lines more interesting and melodic.

major scale for guitar in 5ths

Exercise 10 - Major Scale in Sevenths

In terms of picking you can play these exercises in alternate picking (down/up) or with your pick by alternate your thumb and index finger.

major scale guitar exercise in sevenths

Major Jazz Guitar Lines

Ionian Line #1

This line is built with the C ionian mode (C major scale if you prefer). You can hear a Cmaj7 arpeggio in it (C-E-G-B).

You can try to play it on the I chord of a II V I sequence for example.

Major scale pattern for guitar

Major Line #2

This major line highlights two interesting tones which will give more interest to your playing. These two tones are the eleventh (F) and the thirteenth (A).

Major scale guitar exercise

Major Line #3

This easy major lick starts with the ninth (G) of C major. Be sure to play these major lines in twelve keys.

Feel free to add notes, hand effect as slides, pull-off, etc... and above all, play what you hear.

Ionian guitar pattern

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Last edited: 2026-04-20

Comments

  • Shane E Keller

    1 Shane E Keller On 2021-11-02

    I've only watched the Ionian Mode so far, but it was one of the best tutorials on modes I've ever seen. The 7 Ionian chords, the stacked chords, and the study in intervals were all fantastic. Thank you so much for putting this together!
    jazz-guitar-licks

    jazz-guitar-licks On 2021-11-02

    Thanks a lot ;)
  • Daniel Navarro

    2 Daniel Navarro On 2020-02-26

    ME GUSTARIA TENER LOS PDF DE LAS LECCIONES QUE ESTÁN COLGADAS EN LA PAGINA
    jazz-guitar-licks

    jazz-guitar-licks On 2020-02-26

    No puedes
  • Barelli Joël

    3 Barelli Joël On 2016-06-08

    Very good

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