C#13(#5) Guitar Chord | How To Create and Play the C# Dominant Thirteen Sharp Fifth chord
To play C#13#5, the C# thirteenth sharp five chord, you need C#, E#, G##, B, D#, F# and A#, the root, major third, raised fifth, minor seventh, ninth, natural eleventh and thirteenth.
The notes E# and G## are written that way to keep one letter name per chord tone, even though they sound like F and A. Chords with a ninth on top are explained in our guide to ninth chords.
Under the extensions sits the augmented seventh chord C#, E#, G##, B. The ninth D#, the eleventh F# and the thirteenth A# are the notes stacked above it, each a third higher than the last.
C# 13th with sharp 5th guitar chord is also written as C#13(#5), C#13#5 or C#13+5.
Notes that compose the C# 13(#5) chord:
Chord structure of the Dominant Thirteen Sharp Fifth chord:
Formula: 1 3 #5 b7 9 11 13
C# 13(#5) Chord Interactive Fretboard
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
Which notes does C#13#5 contain?
C#13#5 is spelled C#, E#, G##, B, D#, F# and A#. It stacks a major third, sharp fifth, minor seventh, ninth, eleventh and thirteenth over C#.
Do C#13#5 and Db13#5 sound identical?
Yes, they are one chord with two spellings. Db13#5 uses Db, F, A, Cb, Eb, Gb and Bb, so no double sharp is needed.
What does the #5 mean in C#13#5?
It is the fifth raised by a half step. The perfect fifth over C# is G#, so the raised fifth is G##, which sounds like A.
What is different between C#13#5 and a regular C#13?
The fifth. A regular thirteenth chord uses the perfect fifth, G#, while C#13#5 raises it to G##, which adds an augmented color.
