Bloody hell, people. This new promo gives me CHILLS!!! Chills, I tell you! Oh, this season is going to be so good!!
The song "Oh, Death" is performed by
R.I.S.E. (Rising Appalachia). According to Kristen at eonline the singer is Jen Titus, and the arrangement was done especially for the promo.
The sound you hear in this next vid is the collective "squee" of Supernatural-nation