Re: Tremolo mark between piano staves

[Alexander Kobel]

Qian Li wrote:
> How can I make an unmeasured tremolo mark (three slanted lines) between 
> two staves to indicate a trill with two chords, one for each hand? What 
> can be tweaked to move the marking up or down?

Hi,

have a look at
        http://lilypond.org/doc/v2.13/Documentation/snippets/Keyboards
in the section "Cross-staff tremolos".


HTH,
Alexander