(left_wid + right_wid - overlap) * staff_space#,
.6 staff_space#, 1.9 staff_space#);
draw_meta_flat (0, left_wid * staff_space, 1/3 staff_space);
(left_wid + right_wid - overlap) * staff_space#,
.6 staff_space#, 1.9 staff_space#);
draw_meta_flat (0, left_wid * staff_space, 1/3 staff_space);