(GB-Lbl Add. MS 31390)No.69Christopher Tye, In Nomine "Saye so" Cantus firmus = Alto(Third voice) bar1-5 : A Part bar6-10 : B Part bar10-17 : C Part bar17-23 : D Part http://aeolianconsort.chakin.com/GB-Lbl_Add_MS_31390.htm#No61