Posted by Joel on June 01, 2001 at 13:01:26:
In Reply to: Dies Irae posted by Matt A. on May 31, 2001 at 16:16:19:
The famous Dies Irae cantus firmus that many composers have used (Berlioz, Rachmaninoff...) was written by Thomas of Cilano. I don't recall the exact date anymore, but as I recall it was before 1400 AD.