Music from the Earliest Notations to the Sixteenth Century

as unstable; the piece cannot end until it has been “cleared” by the superius motion from F (third) to A
(fifth).

EX. 13-1B   Philippe    Basiron,    Salve   Regina, mm. 98–end

EX. 13-2    Johannes    Ockeghem,   Salve   Regina, “Oclemens,  Opia,   Odulcis”