### 2.2.56 Instrument_name_engraver

Create a system start text for instrument or vocal names.

Properties (read)

> `currentCommandColumn` (graphical (layout) object)

>   Grob that is X-parent to all current breakable (clef, key signature, etc.) items.

> `instrumentName` (markup)

>   The name to print left of a staff. The `instrumentName` property labels the staff in the first system, and the `shortInstrumentName` property labels following lines.

> `shortInstrumentName` (markup)

>   See `instrumentName`.

> `shortVocalName` (markup)

>   Name of a vocal line, short version.

> `vocalName` (markup)

>   Name of a vocal line.

This engraver creates the following layout object(s):

InstrumentName.

`Instrument_name_engraver` is part of the following context(s): ChoirStaff, DrumStaff, FretBoards, GrandStaff, GregorianTranscriptionStaff, KievanStaff, Lyrics, MensuralStaff, PetrucciStaff, PianoStaff, RhythmicStaff, Staff, StaffGroup, TabStaff and VaticanaStaff.

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