F ionian mode
The F ionian mode consists of the F (Perfect unison), G (Major second), A (Major third), A# (Perfect fourth), C (Perfect fifth), D (Major sixth) and E (Major seventh) notes.

Notes in order
- F — Perfect unison
- G — Major second
- A — Major third
- A# — Perfect fourth
- C — Perfect fifth
- D — Major sixth
- E — Major seventh