Blank score for piano (LilyPond)

五線譜（A4横ピアノ8段）

% LilyPond — www.lilypond.org
\version "2.18.2"
#(set-global-staff-size 25)
#(set-default-paper-size "a4landscape")

\paper {
	top-margin = 15
}

\score {
	{
		\new GrandStaff <<
			\new Staff {
				\repeat unfold 4 { s1 \break }
			}
			\new Staff {
				\repeat unfold 4 { s1 \break }
			}
		>>
	}

	\layout {
		indent = 0\in
		\context {
			\Staff
			\remove "Time_signature_engraver"
			\remove "Clef_engraver"
%			\remove "Bar_engraver"
		}

		\context {
			\Score
			\remove "Bar_number_engraver"
		}
	}
}