diff --git a/welkom.ly b/welkom.ly
index 0fdb026..83e29b7 100644
--- a/welkom.ly
+++ b/welkom.ly
@@ -34,7 +34,7 @@ stub = {
 
 
 anonymousStaffVocals = {
-	\new Staff \with { midiInstrument = "Alto Sax" }
+	\new Staff \with { instrumentName = "Zang" midiInstrument = "Alto Sax" }
 	\new Voice \vocalsIMusic \addlyrics \vocalsILyrics
 }
 
@@ -97,7 +97,7 @@ anonymousStaffVocals = {
 		<<
 			\anonymousStaffVocals
 			\new ChordNames { \accordionChords }
-			\new Staff \with { midiInstrument = "Accordion" } \accordionMusic
+			\new Staff \with { instrumentName = "Accordeon" midiInstrument = "Accordion" } \accordionMusic
 		>>
 		\layout {}
 	}
@@ -110,7 +110,23 @@ anonymousStaffVocals = {
 		\compressMMRests
 		<<
 			\anonymousStaffVocals
-			\new Staff \with { midiInstrument = "Cello" } \celloMusic
+			\new Staff \with { instrumentName = "Cello" midiInstrument = "Cello" } \celloMusic
+		>>
+		\layout {}
+	}
+}
+
+\book {
+	\bookOutputSuffix "piano"
+	\header { instrument = "Piano" }
+	\score {
+		\compressMMRests
+		<<
+			\anonymousStaffVocals
+			\new PianoStaff \with { instrumentName = "Piano" midiInstrument = "Acoustic Grand" } <<
+				\new Staff \pianoRHMusic
+				\new Staff \pianoLHMusic
+			>>
 		>>
 		\layout {}
 	}