2 mensurstriche-layout-bar-lines-between-the-staves.ly
3 adding-a-figured-bass-above-or-below-the-notes.ly
4 chant-or-psalms-notation.ly
5 ancient-notation-template----modern-transcription-of-mensural-music.ly
7 ancient-time-signatures.ly
9 ancient-notation-template----modern-transcription-of-gregorian-music.ly