Every minor seventh (m7) chord is made up of the 1st, b3rd, 5th and b7th notes of the major scale
Choose a chord below to see an example (with chord diagrams)
The C# / Db major scale is
C#
|
D#
|
F
|
F#
|
G#
|
A#
|
C
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
To make a “C sharp minor seventh” (C#m7) or “D flat minor
seventh” chord we use
the 1st note C#
the b3rd (half step lower from the 3rd)
note E
the 5th note G# and the b7th (half
step lower from the 7th) note B
This gives us the notes C#, E, G# and B which form the
“C sharp minor seventh” or “D flat minor seventh” chord
“C sharp minor seventh” (C#m7)
or
“D flat minor seventh” (Dbm7) on the guitar
or
“D flat minor seventh” (Dbm7) on the guitar
“C sharp minor seventh” (C#m7)
or
“D flat minor seventh” (Dbm7) on the piano
or
“D flat minor seventh” (Dbm7) on the piano