Hello folks,
I’m trying to understand how \transposition works with enharmony.
In the following, what key should be chosen (instead of D major) in the fourth
score for a soon-to-be-created Trumpet in A#?
%%%%%%%%%%%%
\version "2.19.65"
\layout {
indent = 3\cm
}
PartPOneVoiceOne = \relative d' {
\transposition bes \clef "treble" \key d \major \time 4/4 | % 1
d4 e4 fis4 g4 | % 2
a4 b4 cis4 d4 \bar "|."
}
PartPTwoVoiceOne = \relative a' {
\transposition es \clef "treble" \key a \major \time 4/4 | % 1
a4 b4 cis4 d4 | % 2
e4 fis4 gis4 a4 \bar "|."
}
PartPThreeVoiceOne = \relative c' {
\clef "treble" \key c \major \time 4/4 | % 1
c4 d4 e4 f4 | % 2
g4 a4 b4 c4 \bar "|."
}
PartPFourVoiceOne = \relative d' {
\transposition ais \clef "treble" \key d \major \time 4/4 | % 1
d4 e4 fis4 g4 | % 2
a4 b4 cis4 d4 \bar "|."
}
% The score definition
\score {
<<
\new Staff
<<
\set Staff.instrumentName = "Trumpet in Bb"
\set Staff.shortInstrumentName = "Bb Tpt."
\context Staff <<
\context Voice = "PartPOneVoiceOne" { \PartPOneVoiceOne }
>>
>>
\new Staff
<<
\set Staff.instrumentName = "Horn in Eb"
\set Staff.shortInstrumentName = "Hn."
\context Staff <<
\context Voice = "PartPTwoVoiceOne" { \PartPTwoVoiceOne }
>>
>>
\new Staff
<<
\set Staff.instrumentName = "Piano"
\context Staff <<
\context Voice = "PartPThreeVoiceOne" { \PartPThreeVoiceOne }
>>
>>
\new Staff
<<
\set Staff.instrumentName = "Trumpet in A#"
\context Staff <<
\context Voice = "PartPFourVoiceOne" { \PartPFourVoiceOne }
>>
>>
>>
\layout {}
}
%%%%%%%%%%%
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