I am getting my old friend the "ambiguous (de)crescendo" error.  I can see
why this would happen in the snippet below.  I have defined a dynamic of
"più f" and LilyPond doesn't know how to crescendo from a "f" to it.

My usual way of dealing with this is to assign a MIDI volume to my new
dynamic.  In this case forte = .75 so I am trying to assign .77 to the "più
f" but I don't know how to do it.  Any suggestions?

%%% BEGIN
\version "2.18.2"

piuFMarkup = \markup { \normal-text { \italic "più" } \dynamic "f" }
piuF = #(make-dynamic-script #{ \piuFMarkup #} )

% Neither of the following prevent the MIDI error

%{
#(define (myDynamics dynamic)
    (if (equal? dynamic \piuFMarkup )
      0.77
      (default-dynamic-absolute-volume dynamic)))
%}

#(define (myDynamics dynamic)
    (if (equal? dynamic "piùf" )
      0.77
      (default-dynamic-absolute-volume dynamic)))

% \f = MIDI loudnes .75, so crescendo to .77

\score {
  \relative c' {
    c4 \f d \< e f | g1 \piuF
  }
  \layout {}
  \midi {}
}
%%% END

Knute Snortum
(via Gmail)
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