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Cmaj7

Cmaj7 is a major seventh chord made of C–E–G–B. The seventh lies one semitone below the octave root, creating the close B–C interval heard above the major triad.

C example showing the interval structure of Cmaj7, notes C, E, G, B
C piano keyboard example showing the interval structure of Cmaj7, notes C, E, G, B
NotesC · E · G · B
Formula1 · 3 · 5 · 7
AliasesCM7

Voice leading

Cmaj7 → C7

Common tones
C · E · G
Moving voice
B → B♭

B moves down a semitone to B♭, while C and E and G remain as common tones.

Cmaj7
C7
CEGB♭

Inversions

CEGB
EGBC
GBCE
BCEG

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