A major 7th chord
Amaj7 chord for piano with keyboard diagram.
Explanation: The A major seventh is a four-note chord. You can see the four notes of the A major seventh chord marked in red color. The chord is often abbreviated as Amaj7.
Theory: The A major seventh chord is constructed with a root, a major thirdAn interval consisting of four semitones, the 3rd scale degree, a perfect fifthAn interval consisting of seven semitones, the 5th scale degree and a major seventhAn interval consisting of eleven semitones, 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 - C# - E - G#
Amaj7 - inversions
Explanation: The piano chords pictured below are the three inversions of Amaj7. Amaj7/C# is an A major seventh with C# as the bass note, Amaj7/E is an A major seventh with E as the bass note and Amaj7/G# is an A major seventh with G# as the bass note.