C# Whole Tone Guitar Scale
Guitar scale in 7-string tuning — fretboard diagram
C# Whole Tone in 7-string — Notes and Intervals
The C# Whole Tone scale, also known as Messiaen's Mode of Limited Transposition #1, is a perfectly symmetrical scale that lacks a tonal center, creating a sense of weightlessness and blur. On Guitar, it contains the notes C#, D#, F, G, A, B. It divides the octave into six equal whole steps, meaning only two unique whole tone scales exist. Popularized by Claude Debussy and used extensively in film scores, it evokes impressionistic, dreamlike atmospheres where no single note feels like home. Use it over augmented triads and 7#5 chords for a floating, surreal effect. Commonly used in Impressionist, Film Scores, Jazz, Ambient, Experimental. Notable players include Claude Debussy, Thelonious Monk, Wayne Shorter, Joe Satriani. Use over augmented triads, 7#5 chords. Perfect for dream sequences, transitions, and any moment where tonality should dissolve.
Notes: C#, D#, F, G, A, B
Intervals: 1P, 2M, 3M, 4A, 5A, 6A
Degrees: 1 2 3 #4 #5 #6
Formula: W-W-W-W-W-W
Number of notes: 6
Tuning: 7-string (B-E-A-D-G-B-E)
Also known as: messiaen's mode #1
About 7-string Tuning
The 7-string guitar adds a low B string below the standard 6-string tuning (B-E-A-D-G-B-E), extending the instrument's range into bass territory. This extra low end has become essential in progressive metal, djent, and modern heavy music, enabling crushing low-end riffs while maintaining access to standard guitar voicings on the upper strings.
Pioneered by jazz guitarist George Van Eps and later brought into the metal mainstream by Steve Vai and Korn, the 7-string guitar has become a staple of modern heavy music. Players like Tosin Abasi, Misha Mansoor, and John Petrucci have pushed the instrument's capabilities into new territory, using the extended range for complex harmonic progressions, polyrhythmic riffs, and sweeping arpeggios that span an enormous tonal range.
Notable artists: Dream Theater, Periphery, Animals as Leaders, Korn, Meshuggah
Best for: Progressive metal riffs, extended-range chord voicings, djent rhythms, and jazz fusion harmony
Musical Character
Divides the octave into 6 equal whole steps — no half steps means no tension, no resolution, no tonal center. Only 2 possible whole tone scales exist (starting on C or C#).
Chord Progressions Using This Scale
- I – I+ – I6 – I7 (Ascending Augmented)Classical / Pop — Hopeful & Yearning