The distance between the current staff and the staff just below it
in the same system, even if one or more non-staff lines (such as
@code{Lyrics}) are placed between the two staves. Does not apply
to the bottom staff of a system. For a grouped staff, if
The distance between the current staff and the staff just below it
in the same system, even if one or more non-staff lines (such as
@code{Lyrics}) are placed between the two staves. Does not apply
to the bottom staff of a system. For a grouped staff, if