In Western musical notation, the staff;, also occasionally referred to as a pentagram, is a set of horizontal lines with spaces between them, that each represent a different musical pitch. However, in
SATB
…part) and contralto, and "Ct" for countertenor. "SATB div." indicates that parts are sometimes divided (divisi) during a piece, often sharing the same staff. Moreover, multiple parts can be assigned; first tenors, second basses, and so on…
12th-century Beneventan manuscript showing diastematic neumes and a single-line staff