F# 7♭5 - UKULELE

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Chord composition

I III ♭V ♭VII
Root Major third Diminished fifth Minor seventh
F# A# C E

ALL ABOUT THE F# 7♭5 CHORD

Chord Composition

The F# 7♭5 chord is composed of 4 notes :

  • F# (Root)
  • A# (Major third)
  • C (Diminished fifth)
  • E (Minor seventh)

These notes form a seventh chord with diminished fifth, creating unstable tension.

How to play F# 7♭5 on ukulele

The 7b5 chord F# 7♭5 is a dominant seventh chord (1-3-7b) with a diminished fifth (b5) instead of perfect fifth.

  • Increased tension: the diminished fifth adds extra instability
  • Jazz and bebop: heavily used in harmonic substitutions
  • Altered dominant function: resolves powerfully to tonic
  • Tritone substitution: shares notes with other 7 chords

The combination of minor seventh and diminished fifth creates maximum tension, perfect for dramatic resolutions.

Jazz techniques

For 7b5 chords on ukulele:

  • Compact voicings: often played on 3-4 strings for clarity
  • Chromatic resolution: the b5 often descends to the fifth of next chord
  • V7 substitution: replaces dominant chord for more tension

Common uses of F# 7♭5

The 7b5 chord enriches dominants:

  • Bebop and modern jazz: sophisticated dominant substitution
  • Alternative blues: adds tension to turnarounds
  • Modulation: facilitates key changes
  • Film music: creates dramatic tension moments

Musical styles

Bebop: characteristic harmonic substitution.

Modern jazz: sophisticated altered dominant.

Jazz blues: enriches standard turnarounds.

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