Official Web Site
This was a new discovery to me, but check out the shahada in the last part of "Just Who Is He" section.
This is from a fan site sweetest drop (http://www.sweetestdrop.org/murphy/FAQ.asp)
|To what spiritual beliefs does Peter subscribe?||Peter
Murphy was born Catholic, has studied all sorts of things (some lyrics
express an interest in both Sufism and Secular Humanism) and has converted
to Islam. Other than that, it's a topic that could be (and has been)
discussed at great length.
He has been collaborating with Mercan Dede (a Sufi musician) on his new album.