Clean structure

Prima (ut)

Major secunda (re)

Major tertius (mi)

Quartus (fa)

Quintus (sol)

Major sextus (la)

Major septim (si)

Octabas ut

ω

9ω/8

5ω/4

4ω/3

3ω/2

5ω/3

15ω/8

2ω

Pentatonic structure

Prima

Secunda

Tertius

-

Quintus

Sectus

-

Octabas

ω

9ω/8

5ω/4

-

3ω/2

5 ω/3

2ω