I6/9–IVmaj7
The I6/9–IVmaj7 progression pairs two of the lushest chord voicings in jazz: the sixth-ninth chord and the major seventh. The 6/9 chord combines the warmth of the sixth with the brightness of the ninth, creating a rich, satisfying tonic that moves to the equally colorful IVmaj7. This progression defines the bossa nova sound and is widely used as a sophisticated final cadence in jazz arrangements.
Pattern: I69 – IVmaj7
Example in C Major: C6/9 – Fmaj7
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Song Examples
- Chameleon — Herbie Hancock
- The Girl from Ipanema — Jobim
- Mercy Mercy Mercy — Cannonball Adderley