tohu tārawa
1. (noun) clef - a symbol at the beginning of a line of music that indicates the pitch of the written notes.
E rua ngā tohu tārawa matua, ko tētahi mō ngā oro mārū, ko tētahi mō ngā oro tīkā (RTP 2015:114). / There are two main clefs, one for the low pitched notes and the other for high pitched notes