A major ninth chord is a five-note chord that contains an added ninth interval:
◊ Dominant 9th
A C♭9 includes a minor seventh and a major ninth: C♭ – E♭ – G♭ – B♭♭* – D♭
◊ Major 9th
A C♭maj9 has a major seventh and a major ninth: C♭ – E♭ – G♭ – B♭ – D♭
◊ Add9
A C♭ADD9 is a C♭ major triad with an added major ninth interval (no seventh): C♭ – E♭ – G♭ – D♭
* see double-flat
♫ More Piano Chords:
Cbmaj ▪ Cbma7 ▪ Cbma9 | Cbmin ▪ Cbm7 ▪ Cbm9 | Cbdim ▪ Cb°7 | Cbaug ▪ Cb+7 | Cbsus2 ▪ Cbsus4
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