Re: arpeggio in drummode

[Aaron Hill]

On 2019-08-13 9:22 pm, edes wrote:
> Hello, list.
>
> It seems it's not possible to use \arpeggio in drummode, or am I 
> missing
> something?
>
> The following code doesn't throw any errors but it doesn't show 
> anything.
>
> \version "2.21.0"
>
> \new DrumStaff
>
> \drummode {
>   <bd sn>2
>   <bd sn>\arpeggio
> }

If you check the Internals Reference, you will see that the Arpeggio 
grob comes from the Arpeggio_engraver.  This engraver is part of a 
number of Voice contexts, but it is *not* part of DrumVoice (or 
DrumStaff, for that matter).

Try:

%%%%
\version "2.19.83"

\new DrumStaff
\with { \consists "Arpeggio_engraver" }
\drummode {
  <bd sn>2
  <bd sn>\arpeggio
}
%%%%

-- Aaron Hill