Text markup may be added to analysis brackets through the text property
of the HorizontalBracketText grob. Adding different texts to
brackets beginning at the same time requires the \tweak command.
Bracket text will be parenthesized after a line break.
This example demonstrates how to do modern transcription of Gregorian music. Gregorian music has no measure, no stems; it uses only half and quarter note heads, and special marks, indicating rests of different length.
This template shows one way of setting out an Anglican psalm chant.
It also shows how the verses may be added as stand-alone text under
the music. The two verses are coded in different styles to
demonstrate more possibilities.