I'm not so sure, perhaps Ars Moriendi is relatively easier to get into, but Goodbye Sober Day might be a better track. Of the two I sent, Ars Moriendi is probably my favourite, but Goodbye Sober Day is the ultimate Mr. Bungle mindfuck-song, without getting too crazy (like in Merry Go Bye Bye from their previous album).
By the way, shall I send the EP now?