Add 9
Click keys to experiment with the chord
1 – 3 – 5 – 9
Intervals: 0 semitones, 4 semitones, 7 semitones, 14 semitones
Same pitch classes as add2. The difference is voicing: add9 places the 2nd/9th above the 5th in the next octave.
The Bbadd9 chord sounds sparkling and shimmery, adding brightness to a triad. It is built from the notes A#, D, F, C, stacking 4 tones to create its distinctive sound. This chord is commonly heard in pop music, and R&B and soul.
Notes: A# – D – F – C | Formula: 1 – 3 – 5 – 9
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