Harmonycast – the podcast about music and history – weekly short snippets about a piece of awesome choral music (generally 16th century) and the history behind it.
Episode 01 is about William Byrd’s Ave Verum Corpus.
Get the PDF of the score here, through the Choral Public Domain Library:
http://www0.cpdl.org/wiki/images/1/1d/Ave_Verum_Corpus_Byrd.pdf
Buy on iTunes:
https://itunes.apple.com/us/album/byrd-ave-verum-corpus/id429962817?i=429963040
Listen to the playlist here: