A Ionian Pentatonic Guitar Scale

Guitar scale in Half Step Down tuning — fretboard diagram

Half Step Down (EbAbDbGbBbEb)
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A ionian pentatonic scale — 6-string guitar fretboard diagramInteractive fretboard diagram showing the A ionian pentatonic scale on 6-string guitar with 22 frets. Notes: E, G#, A, C#, D.EG#AC#DEG#AC#C#DEG#AC#DEG#G#AC#DEG#AC#DEC#DEG#AC#DEG#AG#AC#DEG#AC#DEEG#AC#DEG#AC#1357911121315171921

A Ionian Pentatonic in Half Step Down — Notes and Intervals

The A Ionian Pentatonic scale is a five-note subset that captures the essential bright spirit of the Ionian mode. On Guitar, its notes are A, C#, D, E, G#. It focuses on the most stable notes of the major scale, offering a more open and suspended sound that is useful in modern pop and contemplative acoustic music. Commonly used in Pop, Acoustic, Contemporary, Ambient. Notable players include John Mayer, Ed Sheeran. Use over Maj7, Maj9, add9 chords. Provides a modern, open sound for pop and acoustic contexts.

Notes: A, C#, D, E, G#

Intervals: 1P, 3M, 4P, 5P, 7M

Degrees: 1 2 3 4 5

Formula: 4-H-W-4-H

Number of notes: 5

Tuning: Half Step Down (Eb-Ab-Db-Gb-Bb-Eb)

About Half Step Down Tuning

Eb Standard tuning lowers every string by one half step (Eb-Ab-Db-Gb-Bb-Eb), producing a slightly darker, heavier tone while keeping all standard chord shapes and scale patterns intact. This tuning has been the default for some of the greatest guitarists in rock and blues history, including Jimi Hendrix, Stevie Ray Vaughan, and Slash.

The half-step drop reduces string tension, making bending easier and giving a warmer, slightly thicker tone. For vocalists, the lower pitch can make singing more comfortable. Jimi Hendrix tuned to Eb on virtually all of his recordings — from 'Voodoo Child (Slight Return)' to 'Little Wing'. Stevie Ray Vaughan paired Eb tuning with very heavy strings to create his legendary thick tone on classics like 'Pride and Joy' and 'Texas Flood'. Slash used Eb for most Guns N' Roses recordings including 'Sweet Child O' Mine' and 'November Rain'. Alice in Chains also recorded extensively in Eb Standard.

Blues-RockClassic RockHard RockGrungeBlues

Notable artists: Jimi Hendrix, Stevie Ray Vaughan, Slash (Guns N' Roses), Alice in Chains, Nirvana

Best for: Blues-rock, classic rock, and any style where you want easier bending, slightly darker tone, and full compatibility with standard tuning shapes

Musical Character

OpenBrightContemplativeSuspended

A five-note subset that captures the Ionian mode's brightness with a more open, suspended quality than the standard major pentatonic.

Explore This Scale in Other Tunings

All Guitar scales in Half Step Down tuning