LilyPond Internals Reference: 2.2.25 Cluster_spanner_engraver

### 2.2.25 `Cluster_spanner_engraver`

Engrave a cluster using `Spanner` notation.

Music types accepted: `cluster-note-event`

This engraver creates the following layout object(s): `ClusterSpanner` and `ClusterSpannerBeacon`.

`Cluster_spanner_engraver` is part of the following context(s) in `\layout`: `CueVoice`, `GregorianTranscriptionVoice`, `KievanVoice`, `MensuralVoice`, `PetrucciVoice`, `StandaloneRhythmVoice`, `TabVoice`, `VaticanaVoice` and `Voice`.

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