Gb Half-diminished Bass Arpeggio
Gbm7♭5
Diminished fifth
·
4 notes
·Symbol : m7♭5
Arpeggio Notes
Gb
R
A
♭3
C
♭5
E
♭7
Solfège : Solb – La – Do – Mi
Arpeggio Structure
Gb
T+½
A
T+½
C
2T
E
About this arpeggio
The half-diminished arpeggio (ø) is central in minor jazz progressions on degree ii. Its diminished fifth and minor seventh create tension that calls for resolution toward V7 then Im. Essential for ii°–V7–Im cadences.
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