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Re: articulate.ly with "rall" not working?


From: Peter Chubb
Subject: Re: articulate.ly with "rall" not working?
Date: Tue, 13 Mar 2012 13:52:17 +1100
User-agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (Goj┼Ź) APEL/10.8 Emacs/23.3 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO)

>>>>> "Thomas" == Thomas Morley <address@hidden> writes:

Thomas> \version "2.14.2" \include "articulate.ly"

Thomas> \score { \unfoldRepeats \articulate << \relative c' { c8-. d-.
Thomas> e-.  f-.  g-.-"rall" f-.  e-.  d-.  c-.  d-.  e-.  f-.  g-.
Thomas> f-.  e-.  d-.  c1-.  }
>>> 
Thomas>   \midi { } }

The rallentendo actually does happen, but at the tempo you're going, it's not
paticularly deep.

If I add a \displayLilyMusic before the \unfoldRepeats I see:

<< {
     { c'8*1/2 r } { d' r } { e' r } { f' r } { \set tempoWholesPerMinute = 
#(ly:make-moment 9 1 0 1)


       { g'-"rall"  r } } { f' r } { e' r } { d' r } { c' r } { d' r } { e' r } 
{ f' r } { g' r } { f' r } { e' r } { d' r } { c'1*1/2 r } 
   } >>


Note the setting of tempoWholesPerMinute.  This corresponds to a 40% slowdown.
The default is MM crotchet=60, this should slow down to about MM
crotchet=36.  However, note this is the *only* tempo adjustment ---
you need to start with a tempo.

I suggest
\version "2.14.2"
\include "articulate.ly"

\score {
\displayLilyMusic        \unfoldRepeats \articulate
        <<
     \relative c' {
         \set tempoWholesPerMinute = #(ly:make-moment 4 80)
             c8-. d-.  e-.  f-.
            g-.-"rall" f-.  e-.  d-.
             c-.  d-.  e-.  f-.
             g-.  f-.  e-.  d-.
             c1-.
    }
  >>
  \midi { }
}

--
Dr Peter Chubb                                  peter.chubb AT nicta.com.au
http://www.ssrg.nicta.com.au          Software Systems Research Group/NICTA



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