#### 3.3.7 Unmetered music

Bar lines and bar numbers are calculated automatically. For unmetered music (e.g. cadenzas), this is not desirable. By setting `Score.timing` to false, this automatic timing can be switched off. Empty bar lines,

           \bar ""

indicate where line breaks can occur.

##### Predefined commands

`\cadenzaOn`, `\cadenzaOff`.

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