6 Staff_column::mus() const
8 return score_column->musical;
12 Staff_column::when() const
14 return score_column->when;
18 Staff_column::add(Voice_element*ve)
20 Mtime d= ve->duration;
22 score_column->durations.add(d);
28 Staff_column::Staff_column(Score_column*s) {