This work is a pre-OT study of cyclicity and suprasegmentals in the phrasal (postlexical) phonology of KiVunjo Chaga, a Bantu language of Tanzania. In it, my primary aim is to lend support to Prosodic Hierarchy theory, with one controversial modification: cyclic application of phrasing- sensitive rules. My empirical base consists of the elaborate KiVunjo Chaga tone sandhi paradigm, which reflects not only a full range of lexical tone contrasts (