F insen scale
The F insen scale consists of the F (Perfect unison), F# (Minor second), A# (Perfect fourth), C (Perfect fifth) and D# (Minor seventh) notes.

How to play the F insen scale
- Find F (Root) on the piano keyboard
- Play F# (Minor second) — 1 semitone above F
- Play A# (Perfect fourth) — 5 semitones above F
- Play C (Perfect fifth) — 7 semitones above F
- Play D# (Minor seventh) — 10 semitones above F
- Play all 5 notes in ascending order to perform the F insen scale