A# 7th chord
A#7 chord for piano with keyboard diagram.
Explanation: The A sharp seventh is a dominant four-note chord. You can see the four notes of the A# seventh chord marked in red color. The chord is often abbreviated as G#7.
Theory: The A# seventh chord is constructed with a root, a major thirdAn interval consisting of four semitones, a perfect fifthAn interval consisting of seven semitones and a minor seventhAn interval consisting of ten semitones and the 7th scale degree.
Fingerings: Little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Notes: A# - D - F - G#
A#7 - inversions
Explanation: The images below show the three inversions of the A sharp dominant seventh chord. A#7/D is an A sharp dominant seventh with D as the bass note, A#7/F is an A sharp dominant seventh with F as the bass note and A#7/G# is an A sharp dominant seventh with G sharp as the bass note.