Arpeggio · C♯m7♭5 · Guitar
The C♯m7♭5 arpeggio is C♯ – E – G – B — chord tones 1 ♭3 ♭5 ♭7. C♯m7♭5 is the iiø chord of a minor ii–V–i; its sound is dark, unstable, leading. Below, every C♯, E, G, B on the fretboard is marked, with the root in gold. Press play to hear a one-octave arpeggio, or tap any note.
Visualizer
Guitar · standard tuning
Piano
Play runs the arpeggio up and down one octave in the position starting at fret 4. Tap any marked note to hear it. “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Chord tone | Note | Interval from C♯ |
|---|---|---|
| 1 | C♯ | unison (0 semitones) |
| ♭3 | E | minor 3rd (3 semitones) |
| ♭5 | G | tritone (6 semitones) |
| ♭7 | B | minor 7th (10 semitones) |
Goes with: C♯ Locrian (C♯ D E F♯ G A B). Voicings: C♯m7♭5 voicings on guitar.
Common questions
C♯ – E – G – B. As chord tones: 1 ♭3 ♭5 ♭7. Played one after another instead of together, that is the arpeggio.
C♯m7♭5 is the iiø chord of a minor ii–V–i. Its character is dark, unstable, leading.
C♯ Locrian (C♯ D E F♯ G A B) — the arpeggio is the skeleton of that scale, so practise them together.
Start on the root C♯ on the A string at fret 4 and play A-string fret 4, A-string fret 7, D-string fret 5, G-string fret 4, G-string fret 6. Then play it descending, then in eighth notes with a metronome, then over the the iiø chord of a minor ii–V–i.
Keep going
Same arpeggio on piano · Half-diminished (m7♭5) hub · chord-scale theory.
Other arpeggios from C♯