Ockeghem (~1425-1497) Missa De Plus en Plus - Agnus Dei I, II & • Whose Song?

Ockeghem (~1425-1497) Missa De Plus en Plus - Agnus Dei I, II &
is a song by
Johannes Ockeghem (~1425-1497) (The Tallis Scholars)
it was released on
Missa Au Travail Suis & Missa De Plus En Plus (Church St.Peter A