C# ELEVENTH - UKULELE

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Chord composition

I V ♭VII IX XI
Root Perfect fifth Minor seventh Major ninth Perfect eleventh
C# G# B D# F#

ALL ABOUT THE C# ELEVENTH CHORD

Chord Composition

The C# Eleventh chord is composed of 5 notes :

  • C# (Root)
  • G# (Perfect fifth)
  • B (Minor seventh)
  • D# (Major ninth)
  • F# (Perfect eleventh)

These notes form a dominant eleventh chord, creating rich and modal tension.

How to play C# Eleventh on ukulele

The 11 chord C# Eleventh is a 9 chord (1-3-5-7b-9) with an added perfect eleventh.

  • Dense structure: root, third, fifth, 7b, 9, 11 (6 notes - difficult on ukulele)
  • Essential partial voicings: often omit fifth and/or third
  • Strong modal color: evokes mixolydian mode
  • Jazz and fusion: very colorful dominant chord

On guitar, impossible to play all notes. Common voicings are: 1-7-9-11 or 7-9-11-13.

Common uses of C# Eleventh

The 11 chord has specialized uses:

  • Modal jazz: enriched modal dominant
  • Funk and fusion: grooves with complex extensions
  • V7 substitution: for richer color

Styles

Modal jazz: exploits mixolydian colors.

Jazz fusion: dense and complex harmonies.

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