LilyPond Internals Reference: 1.1.17 ContextChange

### 1.1.17 ContextChange

Change staves in Piano staff.

Syntax: `\change Staff = new-id`

Properties:

> `iterator-ctor` (procedure):

>   `ly:change-iterator::constructor`

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

> `name` (symbol):

>   `'ContextChange`

>   Name of this music object.

> `types` (list):

>   `'(general-music translator-change-instruction)`

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

#### Internals Reference