-We don't need two @code{\version} commands. We'll need the @code{melody}
-section. We don't want two @code{\score} sections -- if we had two
-@code{\score}s, we'd get the two parts separately. We want them together,
-as a duet. Within the @code{\score} section, we don't need two
-@code{\layout} or @code{\midi}.
-
-If we simply cut and paste the @code{melody} section, we would end up with
-two @code{melody} sections. So let's rename them. We'll call the section
-for the soprano @code{sopranoMusic} and the section for the cello
-@code{celloMusic}. While we're doing this, let's rename @code{text}
-to be @code{sopranoLyrics}. Remember to rename both instances of all
-these names -- both the initial definition (the
+We don't need two @code{\version} commands. We'll need the
+@code{melody} section. We don't want two @code{\score} sections
+-- if we had two @code{\score}s, we'd get the two parts separately.
+We want them together, as a duet. Within the @code{\score}
+section, we don't need two @code{\layout} or @code{\midi}.
+
+If we simply cut and paste the @code{melody} section, we would
+end up with two @code{melody} definitions. This would not generate
+an error, but the second one would be used for both melodies.
+So let's rename them to make them distinct. We'll call the
+section for the soprano @code{sopranoMusic} and the section for
+the cello @code{celloMusic}. While we're doing this, let's rename
+@code{text} to be @code{sopranoLyrics}. Remember to rename both
+instances of all these names -- both the initial definition (the