C Perfect4th
- C
- D
- E
- F
B# Perfect4th
- B#
- C##
- D##
- E#
Db Perfect4th
- Db
- Eb
- F
- Gb
C# Perfect4th
- C#
- D#
- E#
- F#
D Perfect4th
- D
- E
- F#
- G
Eb Perfect4th
- Eb
- F
- G
- Ab
D# Perfect4th
- D#
- E#
- F##
- G#
Fb Perfect4th
- Fb
- Gb
- Ab
- Bbb
E Perfect4th
- E
- F#
- G#
- A
F Perfect4th
- F
- G
- A
- Bb
E# Perfect4th
- E#
- F##
- G##
- A#
Gb Perfect4th
- Gb
- Ab
- Bb
- Cb
F# Perfect4th
- F#
- G#
- A#
- B
G Perfect4th
- G
- A
- B
- C
Ab Perfect4th
- Ab
- Bb
- C
- Db
G# Perfect4th
- G#
- A#
- B#
- C#
A Perfect4th
- A
- B
- C#
- D
Bb Perfect4th
- Bb
- C
- D
- Eb
A# Perfect4th
- A#
- B#
- C##
- D#
Cb Perfect4th
- Cb
- Db
- Eb
- Fb
B Perfect4th
- B
- C#
- D#
- E