Ave, generosa, performed by Gothic Voices, Dame Emma Kirkby, 1949-, Emily van Evera, Poppy Holden, Judith Stell, Doreen Muskett, Margaret Philpot, Andrew Parrott, Kevin Breen, Howard Milner and Robert White, 1538-1574; from CD Hildegard: 'A feather on the breath of God' (Hyperion)