Chord & FretAadd9 — major added ninth
Notes in Aadd9: A – C# – E – BFormula: 1 – 3 – 5 – 9In the formula, the numbers count steps of the major scale starting from the note that names the chord; "b" lowers a half step, "#" raises one — and a slash names the bass note.
The add9 adds the ninth to the major triad without including the seventh. It is one of the best ways to enrich a chord without raising the tension too much.
The same chord on all four instruments
Where to use it: Pop, country, worship, MPB and romantic sertanejo.
The shapes of Aadd9 don't end on this page — the whole neck holds dozens. In Chord & Fret, you check it note by note, playing any shape as an arpeggio; compare positions with their difficulty marked; and change the tuning — the shape rewrites itself. Start free. Unlock everything with Pro. Plays offline.
See the whole neck in Chord & Fret →Part of the Added-tone family.