Alternatively, if there are many character changes, it may be
easier to set up @qq{instrument} definitions for each character at
the top level so that @code{\instrumentSwitch} can be used to
-indicate each change.
+indicate each change. As notes for vocal parts are usually entered
+at sounding pitch no instrument transposition is required, even
+when, as here, the tenor line is printed an octave higher.
@lilypond[quote,verbatim]
\addInstrumentDefinition #"kaspar"
- #`((instrumentTransposition . ,(ly:make-pitch -1 0 0))
+ #`((instrumentTransposition . ,(ly:make-pitch 0 0 0))
(shortInstrumentName . "Kas.")
(clefGlyph . "clefs.G")
(clefTransposition . -7)