Setting the scene / Roger Brock -- The Durham version of Philippe de Vitry's O Canenda/Rex Quem/Rex Regum / Joanna Melville-Richards -- Keep to the lesbian feet / David Wulstan -- Dicite io! / Stephen Ryle -- Tromboncino, Lhéritier, Verdelot / Piero Gargiulo -- Secular Latin motets in post-tridentine Rome / Noel O'Regan.