\override StaffSymbol #'line-count = #2
\override StaffSymbol #'staff-space = #2
\override VerticalAxisGroup #'minimum-Y-extent = #'(-3.0 . 4.0)
\override StaffSymbol #'line-count = #2
\override StaffSymbol #'staff-space = #2
\override VerticalAxisGroup #'minimum-Y-extent = #'(-3.0 . 4.0)