A#7 chord on guitar
A Sharp Dominant Seventh, also written Bb7. Notes: A#, D, F and G#.
How to play A#7
- Lay your index finger flat across the 5th (A) to the 1st (high E) string at fret 1. This is the barre.
- Put your ring finger on the 4th (D) string at fret 3 (F).
- Put your pinky finger on the 2nd (B) string at fret 3 (D).
- Don't play the low E string: skip it or mute it with a fretting finger.
- Strum from the A string down.
All 4 ways to play A#7
Easiest first. Tap play to hear each one.Barre at fret 1
MediumBarre at fret 6
HardFret 11 position
HardBarre at fret 8
HardNotes and theory
The dominant seventh adds a minor seventh to a major triad. It sounds restless and wants to resolve, which is why it shows up right before the home chord and all over blues. The formula is 1 3 5 b7, and you will also see it written as A#dom7. Strictly by music theory the notes are spelled A#, C##, E# and G#; C## is the same key as D and E# is the same key as F.
Keys that use A#7
More A# chords
All A# guitar chordsdominant seventh chords in every key
Questions
What notes are in the A#7 chord?
A#7 (A sharp dominant seventh) is made of four notes: A# (root), D (major third), F (perfect fifth) and G# (minor seventh).
How do you play A#7 on guitar?
The easiest A#7 is the "barre at fret 1" shape. Lay your index finger flat across the 5th (A) to the 1st (high E) string at fret 1. This is the barre. Put your ring finger on the 4th (D) string at fret 3 (F). Put your pinky finger on the 2nd (B) string at fret 3 (D).
Is A#7 hard to play on guitar?
A#7 has no open-string shape, so every version needs a barre or a stretch. The easiest one is rated medium. A shortcut: put a capo on fret 1 and play the open A7 shape, which sounds as A#7.
What key is A#7 in?
A#7 belongs to 2 keys: E flat major (as the V7 chord) and C minor (as the VII7 chord).
What does a dominant seventh chord sound like?
The dominant seventh adds a minor seventh to a major triad. It sounds restless and wants to resolve, which is why it shows up right before the home chord and all over blues.