5 A second book-level header block and headers nested in bookpart and score should not clear values from the first header block. This score should show composer, piece, subtitle and title."
10 title = "Title incorrect (to be superseded at book level)"
11 subtitle = "Subtitle incorrect (to be superseded in bookpart)"
12 composer = "Composer correct (set in book)"
13 piece = "Piece incorrect (to be superseded in score)"
15 % This should replace title without affecting other fields
17 title = "Title correct (superseded at book level)"
20 % This should replace subtitle without affecting other fields
22 subtitle = "Subtitle correct (superseded in bookpart)"
25 \markup { \bold Note: title, subtitle, piece, and composer expected. }
30 % This should replace piece without affecting other fields
31 piece = "Piece correct (superseded in score)"