Re: Bar Numbers With Letters

[Kieren MacMillan]

Hi Steph,

> I'm looking for how to set some bar numbers in my score to have letters. 
> For example: 
> 46, 47, 48, 48A, 48B, 48C, 49, etc...
> I've been looking at the documentation and I see how to achieve this for 
> \repeat'ed bars, but this is just sequential music and so the example in the 
> documentation doesn't really apply here.

Well, you could always abuse repeats…  ;)

%%%  SNIPPET BEGINS
\version "2.23.82"

music = \relative c' {
  \override Score.BarNumber.break-visibility = ##(#t #t #t)
  \set Score.alternativeNumberingStyle = #'numbers-with-letters
  \set Score.currentBarNumber = #46
  c4 d e f |
  c4 d e f
  %%  temporarily suppress VoltaBracket
  \temporary \omit Score.VoltaBracket
  \repeat volta 4 {
    %%  override the default repeat-begin barline
    \bar "|"
    %%  here’s the un-lettered measure
    c4 d e f |
    %%  rewind bar number!
    \set Score.currentBarNumber = #48
    %%  abuse alternatives to generate lettered measures
    \alternative {
      \volta 1 { c4 d e f \bar "|" }
      \volta 2 { d4 e f g \bar "|" }
      \volta 3 { e4 f g a \bar "|" }
  }}
  %%  reset so subsequent repeats display as expected
  \undo \omit Score.VoltaBracket
  c1 \bar "|."
}

{ \music }
%%%  SNIPPET ENDS

I’m sure there’s a way by just overriding regular measure numbers — I just 
wanted to see if I could do it this way! LOL

Hope that helps,
Kieren.
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