### 2.2.31 Drum_notes_engraver

Generate drum note heads.

Music types accepted:

note-event

Properties (read)

> `drumStyleTable` (hash table)

>   A hash table which maps drums to layout settings. Predefined values: ‘`drums-style`’, ‘`timbales-style`’, ‘`congas-style`’, ‘`bongos-style`’, and ‘`percussion-style`’.

>   The layout style is a hash table, containing the drum-pitches (e.g., the symbol ‘`hihat`’) as keys, and a list `(notehead-style script vertical-position)` as values.

This engraver creates the following layout object(s):

NoteHead and Script.

`Drum_notes_engraver` is part of the following context(s): DrumVoice.

#### Internals Reference v2.18.2 (稳定分支).