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