C# Minor Guitar Scale — Open C
Guitar scale in Open C tuning — fretboard diagram
C# Minor in Open C — Notes and Intervals
The C# Minor scale, also known as the Aeolian mode or natural minor, is the standard for expressing melancholy, introspection, and drama. On Guitar, its notes are C#, D#, E, F#, G#, A, B. Its sound is darker and more somber than the major scale, widely used in songwriting to evoke deep emotional narratives and serving as the foundation of traditional minor-key compositions. The diatonic chords of C# Minor are C#m7, D#m7b5, Emaj7, F#m7, G#m7, Amaj7, B7. Commonly used in Rock, Pop, Metal, Classical, R&B. Notable players include Metallica, Adele, Beethoven. Use over minor triads, m7, m9 chords. Works across the entire minor key. Avoid over dominant chords that want a leading tone.
Notes: C#, D#, E, F#, G#, A, B
Intervals: 1P, 2M, 3m, 4P, 5P, 6m, 7m
Degrees: 1 2 b3 4 5 b6 b7
Formula: W-H-W-W-H-W-W
Number of notes: 7
Tuning: Open C (C-G-C-G-C-E)
Also known as: aeolian
Diatonic Chords
C♯m7 — D♯m7♭5 — Emaj7 — F♯m7 — G♯m7 — Amaj7 — B7
About Open C Tuning
Open C tuning (C-G-C-G-C-E) produces a C major chord when strummed open, with an enormous bass depth from the low C string (two whole steps below standard E). The tuning spans a vast tonal range that gives compositions an almost orchestral scope, making it a favorite for both delicate fingerstyle and crushing heavy music.
John Butler's 'Ocean' — one of the most famous modern fingerstyle compositions — is performed in Open C, showcasing the tuning's incredible dynamic range from thundering bass to shimmering harmonics. Devin Townsend uses Open C extensively across his catalog for its massive, wall-of-sound potential. Jimmy Page used it on Led Zeppelin's 'Friends' from Led Zeppelin III. Soundgarden also explored Open C. The three C strings and two G strings create powerful octave resonances that make even simple chord shapes sound huge.
Notable artists: John Butler, Devin Townsend, Jimmy Page (Led Zeppelin), Soundgarden, William Ackerman
Best for: Cinematic fingerstyle compositions, progressive metal walls of sound, post-rock textures, and any music that needs enormous tonal range from deep bass to bright treble