How to play C#7#5: a dominant 7th sharp 5 built on C#, with 1 voicing, the notes, the keys it belongs to, and songs that use it.
The first diagram is a common voicing: played at the first few frets. An X above a string means don't play it; an O means play it open.
Frets from the low E string to the high E string: x 4 3 4 x 5 (x = not played).
| Note | C# | E# | Gx | B |
|---|---|---|---|---|
| Interval | R | 3 | #5 | b7 |
C#7#5 is a dominant 7th sharp 5 with C# as its root. The full theoretical spelling is C#, E#, Gx, B. This voicing sounds every chord tone.
C#7#5 is a diatonic chord (built from the key's own notes) in 0 major keys and 1 minor key. The roman numeral is the chord's place in that key; tap a key for all of its chords.
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C#7#5 is spelled C#, E#, Gx, B: the root, 3rd, sharp 5th, flat 7th. The common guitar voicing sounds every one of them.
Frets from the low E string to the high E string: x 4 3 4 x 5 (x means the string is not played). Fret the D string at the 3rd fret. Add the A and G strings at the 4th fret. Add the high E string at the 5th fret. Strum from the A string down, skipping the B string; the low E string stays silent.
C#7#5 belongs to one key: F# minor (the V+, from the harmonic minor).
