\version "2.12.3"
\header {
	title = "Introduktion und Passacaglia" 
 	composer = "Max Reger"
}
\include "italiano.ly"

sopran = \relative do'' {
	r4_\markup { "Man. I.  Org. Pl." } \voiceOne fa8. sib16  
	<< { mi,8. la16 } \\ { \hideNotes \tieUp mi8. ~ mi16 \unHideNotes } >> fa4~ fa ~ fa8. mib32 re
}

alto = \relative do'' {
	s4 \voiceTwo <sib dod>4 ~ <sib dod>8. ~ <la dod mi>16~ 
	<la dod mi>4 <la re>8. <lab do>16 <sol si>4

} 

tenor = \relative do' {
	r4 \voiceOne <fa sol>4 ~ <dod mi sol> ~ <\tweak #'transparent ##t dod \tweak #'transparent ##t mi fa>4 ~
	fa ~ fa8. mib32 re
}

basse = \relative do' {
	\voiceTwo s4 <sol sib dod>4 ~ \once \override NoteColumn #'force-hshift = #-0.5 <sol sib \tweak #'transparent ##t dod>8. la16 ~ 
	\once \override NoteColumn #'force-hshift = #0.5 <la dod mi>4 ~ <la re> 8. <lab do>16 <sol si!>4
}



staffUn = 
\new StaffGroup = orguePJ 
<<
	\new PianoStaff {
		\set PianoStaff.midiInstrument = #"church organ"
%		\set PianoStaff.instrumentName = #"Manual"
		<<
			\time 3/4
			\tempo "Grave"
			\context Staff = "RH" {  % Right hand 
			\override Staff.NoteCollision #'merge-differently-dotted = ##t
				\clef treble
				\key fa \major
				<< 	\new Voice { \sopran }
					\new Voice { \alto }
				>>
					
			}
			\context Staff = "LH" {  % Left hand 			
			\override Staff.NoteCollision #'merge-differently-dotted = ##t
				\clef bass
				\key fa \major
				<< 	\new Voice { \tenor }
					\new Voice { \basse }
				>>
			}
		>>
	}

>>



\score {
	<<
		\staffUn
	>>
  \layout {
  
 		\context { \StaffGroup  
			\remove "System_start_delimiter_engraver"
		}
  }
}