LilyPond Internals Reference: 2.2.130 Vertical_align_engraver

### 2.2.130 Vertical_align_engraver

Catch groups (staves, lyrics lines, etc.) and stack them vertically.

Properties (read)

> `alignAboveContext` (string)

>   Where to insert newly created context in vertical alignment.

> `alignBelowContext` (string)

>   Where to insert newly created context in vertical alignment.

This engraver creates the following layout object(s):

VerticalAlignment.

`Vertical_align_engraver` is part of the following context(s): ChoirStaff, GrandStaff, PianoStaff, Score and StaffGroup.

#### Internals Reference