LilyPond Internals Reference: 2.2.31 Dynamic_align_engraver

### 2.2.31 Dynamic_align_engraver

Align hairpins and dynamic texts on a horizontal line.

Music types accepted:

break-span-event

Properties (read)

> `currentMusicalColumn` (graphical (layout) object)

>   Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).

This engraver creates the following layout object(s):

DynamicLineSpanner.

`Dynamic_align_engraver` is part of the following context(s): CueVoice, DrumVoice, Dynamics, GregorianTranscriptionVoice, MensuralVoice, TabVoice, VaticanaVoice and Voice.

#### Internals Reference