3. The method according to claim 1 , wherein parsing the music symbol candidates comprises: calculating for each graph a total cost, taking into account each symbol cost assigned to the music symbol candidates of said graphs and each spatial cost associated with the at least one grammar rule applied in said graph.
3. The method according to claim 1 , wherein parsing the music symbol candidates comprises: calculating for each graph a total cost, taking into account each symbol cost assigned to the music symbol candidates of said graphs and each spatial cost associated with the at least one grammar rule applied in said graph. 4. The method according to claim 3 , wherein selecting at least one said graph comprises: selecting at least one said graph based on the total costs obtained for each graph.