A Chromatic Guitar Scale
Guitar scale in 8-string tuning — fretboard diagram
A Chromatic in 8-string — Notes and Intervals
The A Chromatic scale is the collection of all twelve notes available in Western music. On Guitar, the notes are A, Bb, B, C, C#, D, Eb, E, F, F#, G, G#. It offers the maximum possible density and is used for total melodic flexibility, fluid shifting between keys, and adding intense color to simpler melodies. Commonly used in Classical, Jazz, Metal, Experimental. Notable players include Franz Liszt, Charlie Parker, Yngwie Malmsteen. Context-dependent — works as a passing device over any harmony. Not a 'soloing' scale but a coloring tool. Great for chromatic approach notes.
Notes: A, Bb, B, C, C#, D, Eb, E, F, F#, G, G#
Intervals: 1P, 2m, 2M, 3m, 3M, 4P, 5d, 5P, 6m, 6M, 7m, 7M
Degrees: 1 b2 3 b4 5 6 7 8 b9 10 b11 12
Formula: H-H-H-H-H-H-H-H-H-H-H-H
Number of notes: 12
Tuning: 8-string (F#-B-E-A-D-G-B-E)
About 8-string Tuning
The 8-string guitar adds both a low B and a low F# string (F#-B-E-A-D-G-B-E), pushing the instrument's range almost into bass guitar territory. This massive tonal range has become the weapon of choice for djent, progressive metal, and experimental composers who need bone-crushing low-end and soaring highs in a single instrument.
With artists like Tosin Abasi, Meshuggah, and After the Burial leading the charge, the 8-string guitar has redefined what's possible in modern heavy music. The low F# string delivers subsonic heaviness that you can feel in your chest, while the upper strings maintain standard guitar voicings for leads and clean passages. Extended-range compositions often exploit the full span of the instrument, creating a wall of sound that covers bass, rhythm, and lead guitar roles simultaneously.
Notable artists: Meshuggah, Animals as Leaders, After the Burial, Intervals, Monuments
Best for: Djent polyrhythms, extended-range metal riffs, experimental compositions, and one-instrument arrangements spanning bass to lead
Musical Character
Contains all 12 notes — maximum melodic density. Used for passing tones, chromatic runs, and fluid key-shifting. The universal connector between any two scales.