" }
% begin verbatim
\relative c {
+ \time 2/4
% from upper staffline (position 4) to centre (position 0)
\override Beam #'positions = #'(2 . 0)
- c'8[ c]
+ c'8 c
% from centre to one above centre (position 2)
\override Beam #'positions = #'(0 . 1)
- c[ c]
+ c c
}