\key c \major
\time 4/4
- a b c d
-
+ a4 b c d
}
lower = \relative c {
\key c \major
\time 4/4
- a2 c
-
+ a2 c
}
\score {
\new PianoStaff <<
- \set PianoStaff.instrumentName = "Piano "
+ \set PianoStaff.instrumentName = #"Piano "
\new Staff = "upper" \upper
\new Staff = "lower" \lower
>>