#### 3.14.2 Rehearsal marks

To print a rehearsal mark, use the `\mark` command

>          \relative c'' {
>            c1 \mark \default
>            c1 \mark \default
>            c1 \mark #8
>            c1 \mark \default
>            c1 \mark \default
>          }

(The letter I is skipped in accordance with engraving traditions.)

The mark is incremented automatically if you use `\mark \default`, but you can also use an integer argument to set the mark manually. The value to use is stored in the property `rehearsalMark`.

The style is defined by the property `markFormatter`. It is a function taking the current mark (an integer) and the current context as argument. It should return a markup object. In the following example, `markFormatter` is set to a canned procedure. After a few measures, it is set to function that produces a boxed number.

>          \set Score.markFormatter = #format-mark-numbers
>          c1 \mark \default
>          c1 \mark \default
>          \set Score.markFormatter
>             = #(lambda (mark  context)
>                 (make-bold-markup (make-box-markup (number->string mark))))
>          c1 \mark \default
>          c1 \mark \default

The file scm/translation-functions.scm contains the definitions of `format-mark-numbers` (the default format) and `format-mark-letters`. They can be used as inspiration for other formatting functions.

The `\mark` command can also be used to put signs like coda, segno and fermatas on a bar line. Use `\markup` to to access the appropriate symbol

>          c1 \mark \markup { \musicglyph #"scripts-ufermata" }
>          c1

In the case of a line break, marks must also be printed at the end of the line, and not at the beginning. Use the following to force that behavior

         \override Score.RehearsalMark
           #'break-visibility = #begin-of-line-invisible

##### See also

Program reference: MarkEvent, RehearsalMark.

Init files: scm/translation-functions.scm contains the definition of `format-mark-numbers` and `format-mark-letters`. They can be used as inspiration for other formatting functions.

Examples: input/regression/rehearsal-mark-letter.ly, input/regression/rehearsal-mark-number.ly.

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