Heptatonische diatonische Tonleitern/7to8

\new ChoirStaff
<<
  \new Staff
  \relative c' {
    \iname \markup \center-column { "VI" \fontsize #-2 "frem" }
    \txtmit c des "1/2"
    es f g a
    \txtmit h c "7/8"
  }
  \new Staff
  \relative c' {
    \iname \markup \center-column { "XI" \fontsize #-2 "ded" }
    c1
    \txtmit d es "2/3"
    f g a
    \txtmit h c "7/8"
  }
  \new Staff \relative c' {
    \iname
    \markup \center-column { "XVI" \fontsize #-2 "dur" }
    c1 d
    \txtmit e f "3/4"
    g a
    \txtmit h c "7/8"
  }
  \new Staff \relative c' {
    \iname
    \markup \center-column { "XVIII" \fontsize #-2 "lyd" }
    c1 d e
    \txtmit fis g "4/5"
    a
    \txtmit h c "7/8"
  }
  \new Staff \relative c' {
    \iname \markup \center-column { "XX" \fontsize #-2 "azur" }
    c1 d e fis
    \txtmit gis a "5/6"
    \txtmit h c "7/8"
  }
  \new Staff \relative c' {
    \override ChoirStaff.SystemStartBracket.collapse-height = #1
    \iname
    \markup \center-column { "XXI" \fontsize #-2 "ult" }
    c1 d e fis gis
    \[ ais \mark \markup \bold "6/7" h \startTextSpan \]
    \mark \markup \bold "7/8"
    c \stopTextSpan
  }
>>