A#7 chord
A# dominant seventh
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1 / 1
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ukulele fretboard
3
5
7
10
The A#7 chord has the formula 1, 3, 5, b7 with notes A#, D, F, G#
The dominant seventh chord is a mildly dissonant variation of the major chord that is used in many genres, like blues, funk, and rock. In blues, entire progressions can be composed of dominant seventh chords.