A major ninth chord is a five-note chord that contains an added ninth interval:
◊ Dominant 9th
A C9 includes a minor seventh and a major ninth: C – E – G – B♭ – D
◊ Major 9th
A Cmaj9 has a major seventh and a major ninth: C – E – G – B – D
◊ Add9
A CADD9 is a C major triad with an added major ninth interval (no seventh): C – E – G – D
♫ More Bass Chords:
Cmaj ▪ Cma7 ▪ Cma9 | Cmin ▪ Cm7 ▪ Cm9 | Cdim ▪ C°7 | Caug ▪ C+7 | Csus2 ▪ Csus4
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