@score_duration()

returns the total duration in beats of the musical events in the score.

See also Score Introspection

[@always_next_event_except_sil_pos]   @bach_score   @current_event   @event_label_position   @make_bpm_map   @make_bpm_tab   @make_duration_map   @make_duration_tab   @make_label_bpm   @make_label_duration   @make_label_pitches   @make_label_pos   @make_pitch_tab   @make_score_map   [@next_event_except_sil_pos]   [@next_event_with_sil_pos]   [@next_sil_pos]   @optional_attributes    @performance_data    @score_duration    @score_tempi   @specified_duration