Perotinus: Mors is an excerpt from:
Monastic Chant - 12th & 13th European Sacred Music
Theatre of Voices
Paul Hillier
3149020735619 - HMG507356.57
harmonia mundi

harmonia mundi store: http://store.harmoniamundi.com/monast...
iTunes: https://itunes.apple.com/album/monast...

hmGold:
harmonia mundi store: http://bit.ly/hm_Gold
iTunes: www.itunes.com/hmgold