I realize the phrase is supposed to be, "this is my jam", but there are three songs I can't quit listening to on Rdio.
Becoming the Archetype owns my ears when I hear one of these songs come on. I especially love the transition/build from gorgeous, yet mournful piano to the powerful, pounding warcry-esque conclusion of Elemental Wrath. Man, it stirs me up. Here's part of the song: