C major seventh chord
Cmaj7 chord for piano with keyboard diagram.
Explanation: The C major seventh is a four note chord. You can see the four notes of the C major seventh chord marked in red color. The chord is often abbreviated as Cmaj7.
Theory: The C major seventh chord is constructed with a root, a major third, a perfect fifth and a major seventh.
Fingerings: little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Notes: C - E - G - B
Cmaj7 - inversions
Explanation: The piano chords pictured below are the three inversions of Cmaj7. Cmaj7/E is a C major seventh with E as the bass note, Cmaj7/G is a C major seventh with G as the bass note and Cmaj7/B is a C major seventh with B as the bass note.