A# Dominant 7th Ukulele Chord
All positions and voicings on the fretboard
A# Dominant 7th filtered by fret:
No playable voicings found for this chord on ukulele. This chord type requires more notes than the ukulele's 4 strings can voice. Try a simpler chord type or use the guitar chord finder.
A# Dominant 7th — chord details
The A# Dominant 7th chord is made up of the following notes: A#, C##, E#, G#.
Intervals: 1P, 3M, 5P, 7m.
The diagrams above show every voicing and chord variation for A# Dominant 7th on ukulele. Use the fret filter to narrow down voicings within a specific fret range — perfect for finding comfortable positions when composing or arranging.
Note: A# is enharmonically equivalent to Bb. Chord shapes are the same.
The A# dominant seventh chord adds a minor seventh to a major triad, creating a four-note structure with intervals 1P, 3M, 5P, 7m and notes A#, C##, E#, G#. This tension between the major third and the minor seventh gives dominant sevenths their restless, bluesy character — they want to resolve. They are the driving force behind blues progressions, jazz turnarounds, and classical cadences where harmonic motion demands forward momentum.
How to Play A# Dominant 7th
On ukulele, A# 7 is played using a compact voicing that takes advantage of the instrument's four strings and re-entrant tuning. The smaller fretboard means voicings are generally easier to reach than on guitar, though some extended chords require creative fingering solutions across the short scale length.
A# Dominant 7th in Progressions
A# dominant seventh most commonly functions as the V7 in D# major or D# minor, creating a strong pull toward resolution. It also serves as the I7 in A# blues progressions and as a secondary dominant targeting other chords in a key.
Common Substitutions
A#9, A#13, or the tritone substitute E7 all work as alternatives, keeping the dominant function intact.
Difficulty: On ukulele, this chord is intermediate — it may require barre technique or an unusual finger stretch.