 In some smaller communities it is also possible, that the community sings within an oral tradition and without any instruction by a protopsaltes, in other Orthodox Rites, there are various hierarchical offices, which can be passed during a long career, connected with a lifelong process of learning.Particularly in the Byzantine tradition, the cantor in charge of doing the music for a service is referred to as the protopsaltes (Gr.Πρωτοψάλτης), a term which may also refer to an office within a diocese or whole jurisdiction (see Domestikos), but this title was not used before the 12th century.