Major Seventh Chord

The major seventh chord adds a major seventh to the major triad, creating a lush, sophisticated sound. It is central to jazz harmony and gives a dreamy, unresolved brightness.

Symbol: maj7, M7, △7   Formula: 1-3-5-7   C Major Seventh Chord: C – E – G – B

Harmonic character: mildly dissonant

Choose a Root

Interval Formula

Degree Interval Semitones from Root Note (C Major Seventh Chord)
1 Root (1) 0 C
3 Major 3rd (3) 4 E
5 Perfect 5th (5) 7 G
7 Major 7th (7) 11 B

Related Chords

Common Progressions