4
texidoc = "Mensural ligatures show different shapes, depending on the
5
rhythmical pattern and direction of the melody line."
11
\set Staff.printKeyCancellation = ##f
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\cadenzaOn % turn off bar lines
13
#(set-accidental-style 'forget)
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b\breve^\markup { \column { { \bold "ligaturae binaria" } "BL" } }
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g\breve^\markup { "BL" }
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b\longa^\markup { "LL" }
33
g\longa^\markup { "LL" }
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b\breve^\markup { "BB" }
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g\breve^\markup { "BB" }
48
b\longa^\markup { "LB" }
53
g\longa^\markup { "LB" }
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% ligaturae ternariae, quaternariae, etc. (sicut in Apel[1])
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\column { { \bold "ligaturae ternariae, quaternariae, etc." } "BBL" } }
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a\breve^\markup { "BBBB" }
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b1^\markup { "SSBBBLB" }
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a\longa^\markup { "LBMxBL" }
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d'\breve^\markup { "BBBBLL" }
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c'1^\markup { "SSBLLBB" }
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% examples from "dtv-Atlas zur Musik" [2]
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d'\breve^\markup { \column { { \bold "dtv-Atlas" } "BBL" } }
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a\breve^\markup { "BBBL" }
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b\longa.^\markup { "L.B.BBLBBB" }
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c'1^\markup { "SSBB" }
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b\longa^\markup { "LBL" }
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a1^\markup { "SSBL" }
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% some ligatures from Ockeghem: Missa De plus en plus
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\column { { \bold "Ockeghem: Missa De plus en plus" } "MxMx" } }
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d\longa^\markup { "LBBBB" }
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c'\maxima^\markup { "MxL" }
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e'\breve^\markup { "BBB" }
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b\longa^\markup { "LBBBBB" }
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g\breve^\markup { "BBBBL" }
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e'1^\markup { "SSB" }
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g\longa^\markup { "LLLL" }
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% some from the Requiem
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a1^\markup { \column { { \bold "Ockeghem: Requiem" } "SSBBBBBBBL" } }
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c'\breve^\markup { "BBBBL" }
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c\breve^\markup { \column { { \bold "crazy ligatures" } "BBBBB" } }
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bes\breve^\markup { "BB" }
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\] % TODO: accidentals must be collected and printed before ligature
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a\breve.^\markup { "B.B.B.B.B.B.B.B.B." }
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\] % TODO: dots within ligatures must be placed above heads
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% invalid ligatures (those commented out are rejected with explanation)
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% a1^\markup { \column { { \bold "invalid ligatures" } "SS" } }
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a\breve^\markup { "BBB" }
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% f\longa^\markup { "LLB" }
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% f\breve^\markup { "BSLB" }
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\remove Ligature_bracket_engraver
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\consists Mensural_ligature_engraver
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% [1] Willi Apel: The Notation of Polyphonic Music. 900-1600.
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% [2] Ulrich Michels: dtv-Altlas zur Musik, 1977.