The file articulate.ly writes ornaments as used before c. 1800, it seems:
initially, the PrallTriller was four notes beginning with upper auxiliary,
which is what this file writes for \prall but used only in special positions,
cf. example below from "Harvard concise”, "inverted mordent", but it was
replaced by the variation in the example below, called the Schneller. Also, the
\trill it writes starts on the upper auxiliary, an older convention, and slows
down with longer value of the note (instead of being on the 32nds).
----
\version "2.19.6"
\include "articulate.ly"
\language "english"
music = \new Staff = main {
\tempo 4 = 120
\time 2/4
% \set beatStructure = #'(3 2 2 3 2)
\key a \minor
\relative c'' {
a16\prall g c8\prall a4\trill | a32(^\markup { \italic "After c. 1800" }
b) g16 c32( d c16) a32( b a b a b a b) |
e8( d\prall) c4 | e8^\markup { \italic "Hist. Pralltriller" } ~ e64 d e d
~ d16 c4 |
}
}
\score {
\music
\layout {}
}
\score {
\unfoldRepeats \articulate \music
\midi {}
}
----
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