C Major 7 Guitar Chord – C Maj 7
The C Major 7 Guitar Chord is made of the notes C E G B the B being the 7 in the name C Maj 7.
Look at the C Major Scale:
C D E F G A B C
With the C Major Chord we have a triad – A triad is three notes.
The 1st, 3rd and 5th Notes make the chord of C
Root – Major 3rd – Perfect 5th.
In interval terms this chord is created thus:
Major 3rd – Major 3rd – Minor 3rd
C – E – G
To create the Major 7th chord we add the 7th note which is the B
C D E F G A B C
In interval terms this chord is created thus:
Major 3rd – Major 3rd – Minor 3rd – Major 3rd
The C7 Chord is created like so:
Major 3rd – Major 3rd – Minor 3rd – Minor 3rd