Re: slashes and percent

[Simon Albrecht]

Hello Peter,

On 09.11.2015 00:09, Peter Berlau wrote:
> Hello Simon,
> thanks for fast answer.
> I use this also, but in this case I need no first note written,
> I like to use the percent and slashes as we call in german 'faulenzer'.
>
> It is for an "arrangement" for jazz ensemble.
> I have to create sheets for  C-, Bb-, Eb- and Bass-Clef-C-Instruments
> so I use something like
>
> \bookpart {
>          \transpose bes c'
>    <<
>      \changes
>      \new Staff { \melody }
>      \set Staff.instrumentName = #"Bb"
>    >>
> }
>
>
> \bookpart {
>          \transpose es c'
>    <<
>      \changes
>      \new Staff \melody
>      \set Staff.instrumentName = #"Eb"
>    >>
> }
>
> etc., ...
>
> I have a "dirty solution" for this percent ( slashes )
>
> \override Stem #'length = #0.0
> #'thickness = #0.0
> b4 b4 b4
> \override Stem #'length = #7.0          
> \override Stem #'thickness = #1.3       
>
>
> Looks good on "original sheet" but pretty ugly on the transposed ones.
>
> In Jazz, in the improvisation chorus, if chords change from melody, it
> is usual to write only the chords over the bars
> and  slashes in bars instead of notes, like
> D-7
> | / / / / ||
> The slash as notehead with stem is used if note/melody is free, but
> rhythm is given, often for rhythm intro ( piano or/and bass part(s) )

How about:
%%%%%%%%%%%%%
\version "2.18.2"

<<
  \new ChordNames { <d' fis' a' c'' gis''> }
  \new Voice \with { \consists "Pitch_squash_engraver" } {
    \override Stem.stencil = #point-stencil
    \improvisationOn
    c4 c c c
  }
>>
%%%%%%%%%%%%%%

Yours, Simon