3 texidoc = "Kneed beams (often happens with cross-staff beams)
4 should look good when there are multiple beams: all the beams should
5 go on continuously at the staff change. Stems in both staffs reach up
11 \context PianoStaff \relative c' <
14 [c8 c16 \translator Staff = SB \stemUp c16 ]
16 [f g \translator Staff = SA a c]
18 \context Staff = SB \relative c' {
20 [b8 b16 \stemUp b,,16 ]
23 [b,8 b16 \stemDown b''16 b ]