F Enigmatic Guitar Scale
Guitar scale in 8-string tuning — fretboard diagram
F Enigmatic in 8-string — Notes and Intervals
The F Enigmatic scale was invented as a musical puzzle and famously used by Giuseppe Verdi. On Guitar, the notes are F, Gb, A, B, Db, Eb, E. It has an unstable and surreal sound because it lacks the traditional fourth and fifth degrees, creating a gliding effect that challenges the listener's expectations. Commonly used in Classical, Experimental, Film Scores. Notable players include Giuseppe Verdi, Igor Stravinsky. Not chord-specific — this is a melodic scale for creating surreal, non-functional passages. Use over sustained pedal tones or atonal contexts.
Notes: F, Gb, A, B, Db, Eb, E
Intervals: 1P, 2m, 3M, 5d, 6m, 7m, 7M
Degrees: 1 b2 3 4 b5 b6 7
Formula: H-WH-W-W-W-H-H
Number of notes: 7
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
Invented as a musical puzzle — lacks the traditional 4th and 5th degrees, creating a gliding, rootless sensation. Verdi used it in his Ave Maria to challenge conventional harmony.