LilyPond program-reference: 1.1.81 TrillSpanEvent

### 1.1.81 TrillSpanEvent

Start a trill spanner tr~~~

Event classes: trill-span-event, span-event, music-event and StreamEvent.

Accepted by: Trill_spanner_engraver.

Properties:

> `name` (symbol):

>   `'TrillSpanEvent`

>   Name of this music object.

> `types` (list):

>   `'(general-music span-event event trill-span-event)`

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

#### Internals Reference