[** this diagram wasn't proofed in P1, so F* should check it carefully!][** Can't figure out how to do the staff and music notes but formatted the rest in F1; left out the italics markup.]
The Hexachord-System
_ _ _ _ _ _ _ 1. 2. 3. 4. 5. 6. 7. _
| E . . . . . . la . |
| |
| _ _ _ _ |
| | D . . . . . la sol . |
| | |
| | s|
| | C . . . . . sol fa . u|
| | p|
| | e|
7.| | B . . . . . mi . r|
| | a|
| | c|
| 6.| Bb . . . . . fa . u|
| | t|
| | _ æ|
| H | | A . . . . la mi re . |
| e | | |
| x | | |
| a | | G' . . . . sol re ut . |_
|_c _ |_ _ _ _|
h | | _
o | _ _ _ | F' . . . . fa ut . . |
r 5. | |
_d _ _ _ _ _ | |
| a | E' . . . la mi . . . |
H | H | |
e | m _e_ _ _| |
x | o | x | D' . . la sol re . . . |
a | l | a | |
c | l | c | a|
h 4.| i | h |_C' . . sol fa ut . . . c|
o | a | o u|
r | | r t|
d | 3.| d B' . . mi . . . . æ|
a | | a |
| | |
d | | n Bb . . fa . . . . |
u | | a |
r | | t _ |
a | | u | A' . la mi re . . . . |_
| | r |
| | a | _
|_ _ _|_l_ _ _| G . sol re ut . . . . |
| i | |
| a | |
- - - -| F . fa ut . . . . . |
2.| |
_ _ _ _ _ _ _| |
| | E la mi . . . . . . |
| | |
| | |
| | D sol re . . . . . . |
| | |
| | g|
| |_C fa ut . . . . . . r|
| a|
| v|
1.| B mi . . . . . . . e|
| s|
| |
| A re . . . . . . . |
| |
| |
|_ _ _ _ _ [Greek: G] ut . . . . . . . |_
Hexachords 1, 4 and 7 are called hard because they contain B, which was distinguished as B durum; hexachords 3 and 6 are called soft because they contain Bb or B molle (or B rotundum); and hexachords 2 and 5 are called natural because they contain neither B nor Bb.
