Four recordings of Os Justi are on Blackboard to assist you in memorization. Different choirs, different tempos.
Link to blackboard here. Sign in with your Blazer ID and look for the class.
Look here for "Three Choral Ballads". I think we'll be doing all three this semester but here they are all together. Will get "Roses" by itself soon.
UPDATE: Roses nod
UPDATE2: If I Had