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Cmaj7 chord (C major seventh) on piano

Cmaj7 (C major seventh) has four notes: C, E, G and B. Its formula is 1, 3, 5, 7. In major keys, Cmaj7 is the Imaj7 chord in C major and the IVmaj7 in G major.

Cmaj7 inversions and fingering

CEGB
Root position
C E G B · RH 1-2-3-5 · LH 5-3-2-1
EGBC
First inversion
E G B C · RH 1-2-4-5 · LH 5-3-2-1
GBCE
Second inversion
G B C E · RH 1-2-3-5 · LH 5-3-2-1
BCEG
Third inversion
B C E G · RH 1-2-3-5 · LH 5-4-2-1
CEB
Shell (left hand)
C E B · LH 5-3-1

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Cmaj7 chord facts
SymbolCmaj7
Also writtenCM7, CΔ7, CΔ
NotesC E G B
Formula1 3 5 7
Intervalsroot, major third, perfect fifth, major seventh
TypeMajor seventh chord

Cmaj7 across the keyboard

C3C4C5C1E3G5B7C1E3G5B7C1

Piano, C3 to C5. Notes in this scale, low to high: C3 (1), E3 (3), G3 (5), B3 (7), C4 (1), E4 (3), G4 (5), B4 (7), C5 (1).

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Questions

What notes are in the Cmaj7 chord?

Cmaj7 (C major seventh) has four notes: C, E, G and B. Its formula is 1, 3, 5, 7. C is the root, E is the major third, G is the perfect fifth and B is the major seventh.

How do you play Cmaj7 on piano?

Play C, E, G and B together. Root position: C E G B · RH 1-2-3-5 · LH 5-3-2-1.

What key is Cmaj7 in?

In major keys, Cmaj7 is the Imaj7 chord in C major and the IVmaj7 in G major. It is diatonic to those keys, so it fits songs in any of them.

What is the difference between Cmaj7 and C?

Cmaj7 is C (C, E and G) with a major 7th added: B.