Chord Detail
C Major Seventh Chord
Cmaj7 is one of the most widely used chords in contemporary music — smooth, luminous and emotionally open. It appears in pop, gospel, neo soul, jazz and worship music.
The major seventh chord adds a major seventh interval (11 semitones above the root) to a major triad. The major seventh creates a gentle tension with the root — close enough to sound warm but far enough to feel sophisticated. In the key of C major, Cmaj7 is the tonic chord (I) and feels resolved yet rich. In the key of G major it is the IV chord, which gives it a floating, elevated quality. The B (major 7) moving up to C (root) or down to A is a classic melodic motion in every genre.
Formula: 1 – 3 – 5 – 7
1Root0 semitones3Major Third4 semitones5Perfect Fifth7 semitones7Major Seventh11 semitonesWarm, luminous, floating, sophisticated. Less conclusive than a plain C major triad but never harsh. Often described as "dreamy" or "cinematic."
Major chords are the bright foundation of Western harmony — stable, resolved, and immediately recognizable. Their structure (root, major third, perfect fifth) creates a sound that feels complete and confident, like a musical declaration of "yes."
🌿 Other bright sounds to explore
For a classic jazz voicing, try C–E–B (root, 3rd, 7th) without the fifth. On piano, left hand plays C and right hand plays E–G–B. For a fuller sound, add the 9th (D) for Cmaj9.
Cmaj7 – Am7 – Fmaj7 – G7 (I–vi–IV–V in C)Cmaj7 – Dm7 – G7 – Cmaj7 (I–ii–V–I jazz loop)Cmaj7 – Em7 – Am7 – Fmaj7 (neo soul rotation)Fmaj7 – Cmaj7 – Am7 – G (IV–I–vi–V)Connect your MIDI keyboard and play this chord — ChordBeam identifies it instantly