LilyPond Internals Reference: 1.1.108 TimeSignatureMusic

### 1.1.108 `TimeSignatureMusic`

Set a new time signature

Properties:

`elements-callback` (procedure):

  `make-time-signature-set`

  Return a list of children, for use by a sequential iterator. Takes a single music parameter.

`iterator-ctor` (procedure):

  `ly:sequential-iterator::constructor`

  Function to construct a `music-event-iterator` object for this music.

`name` (symbol):

  `'TimeSignatureMusic`

  Name of this music object.

`types` (list):

      '(time-signature-music)

  The types of this music object; determines by what engraver this music expression is processed.

#### LilyPond – Internals Reference v2.24.4 (stable-branch).