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C♭maj7 Chord on Guitar, Piano and Ukelele | How to Play it

The C♭ major 7th chord (C♭maj7) is built from a root note (C♭), a major third (E♭), a perfect fifth (G♭) and a major seventh (B♭):

  • Type: tetrad.
  • Formule: 1 3 5 7.
  • Music notes: C♭ (1) E♭ (3) G♭ (5) B♭ (7).
  • Chords to play with: IVmaj7 (F♭maj7) y V7 (G♭7).
C♭maj7 chord pentagram staff stave

C♭maj7 chord [Musical explanation]

The C♭ major seventh chord is a tetrad with formula 1 – 3 – 5 – 7. Therefore, to build it we need C♭ (1), E♭ (3), G♭ (5) and B♭ (7):

what notes are in C maj7 chord

This is due to the fact that a major seventh chord is made up of 3 third intervals:

  • A major interval (4 half steps between the 3rd and root).
  • A minor interval (3 half steps between the 5th and 3rd).
  • A major interval (4 half steps between the 7th and 5th).

If we apply this principle to the C♭maj7 chord we obtain that:

  • E♭ is the major third of C♭ because it is 4 half steps above the root.
  • G♭ is the perfect fifth of C♭ because it is 3 half steps above the 3rd.
  • B♭ is the major seventh of C♭ because it is 4 half steps above the 5th.

Thus, this confirms that C♭ major seventh chord is defined by:

Root (C♭) – Major Third (E♭) – Perfect Fifth (G♭) – Major Seventh (B♭)

To sum up, in order to build the C♭maj7 chord we need to add the major seventh (7th) to the C♭ major chord.

C♭maj7 Guitar Chord

The C♭maj7 chord guitar has the following shape on the fretboard:

C♭maj7 guitar chord
C♭maj7 guitar diagram

Let’s analyze in detail this chord diagram above to make sure that we understand how to play the C♭maj7 on guitar.

Let’s start by analyzing the 3 circles in blue, which indicate that on the strings 5 (A) and 4 (D) we have to place the fingers 3 (ring finger) and 2 (middle). In this case we need to play a barre chord, so we have to use as well the index finger (1) to press down the strings from 5 to 1.

Note by the way the number 2 in black on the left that indicates on which fret we start playing the chord.

On the other hand, at the top we see that we have the characters:

C♭  E♭  B♭  E♭ B♭

This simply means that in the:

  • Sixth string there is no sound.
  • Fifth string sounds the C♭ note.
  • Fourth string sounds the E♭ note.
  • Third string sounds the B♭ note.
  • Second string sounds the G note.
  • First string sounds the B♭ note.

And at the bottom we find the numbers:

1  3 5  7  3

This indicates that in the:

  • Sixth string There is no number because there is no sound.
  • Fifth string sounds the root (1).
  • Fourth string sounds the perfect fifth (3).
  • Third string sounds the major seventh (5).
  • Second string sounds the major third (7).
  • First string sounds the perfect fifth (3).

⚠️ Important: it is not mandatory to memorize all this information to play the C♭maj7 chord on guitar. But it is highly recommended to know it in order to understand the musical theory behind each chord.

Other ways to play the C♭ major 7 guitar chord

In addition to the diagram shown at the beginning of the article, we can also find the C♭maj7 chord in the following fretboard positions:

Cbmaj7 chord guitar chart
C♭maj7 chord guitar chart

C♭maj7 chord inversions

The 3 inversions of the C major 7th chord are:

  • First inversion: C♭maj7/E♭.
  • Second inversion: C♭maj7/G♭.
  • Third inversion: C♭maj7/B♭.
Cbmaj7 guitar chord inversion
C♭maj7 chord guitar chart

C♭maj7 Ukulele Chord

Here you can see as well the C♭maj7 uke chord diagram:

C♭maj7 ukulele
C♭maj7 guitar diagram

C♭maj7 Piano Chord

To play the C♭maj7 chord on piano we only need to find the same music notes on its keys:

C♭maj7 piano chord
C♭maj7 piano

First Inversion (C♭maj7/E♭)

C♭maj7E♭ piano chord 1st inversion

Second Inversión (C♭maj7/G♭)

C♭maj7G♭ piano chord 2nd inversion

Third Inversión (C♭maj7/B♭)

C♭maj7B♭ piano chord 3rd inversion

Music scales in which the C♭ major 7th chord can be found

  • C♭ major scale (harmonized with 7th chords)
    • C♭maj7 D♭m7 E♭m7 F♭maj7 G♭7 A♭m7 B♭m7♭5
  • G♭ major scale (harmonized with 7th chords)
    • G♭maj7 A♭m7 B♭m7 C♭maj7 D♭7 E♭m7 G♭♭m7♭5
  • A♭ natural minor scale (harmonized with 7th chords)
    • A♭m7 B♭m7♭5 C♭maj7 D♭m7 E♭m7 F♭maj7 G♭7
  • E♭ natural minor scale (harmonized with 7th chords)
    • E♭m7 G♭♭m7♭5 G♭maj7 A♭m7 B♭m7 C♭maj7 D♭7
  • E♭ harmonic minor scale (harmonized with 7th chords)
    • E♭m(maj7) Fm7♭5 G♭maj7#5 A♭m7 B♭7 C♭maj7 E♭♭dim7

C♭maj7 Chord PDF

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