Screamin' Jay Hawkins "I Put a Spell on You": http://www.youtube.com/watch?v=7kGPhpvqtOc

TV on the Radio "Wolf Like Me": http://www.youtube.com/watch?v=j1-xRk6llh4

Weird Al Yankovic "Nature Trail to Hell in 3D": http://www.youtube.com/watch?v=LWME4d1BRCk

Ray Parker Jr. "Ghostbusters": http://www.youtube.com/watch?v=m9We2XsVZfc

Nekrogoblikon "No One Survives": http://www.youtube.com/watch?v=KsMKOx6fumc
(also, the video is hilarious!)

Johnny Cash "The Beast in Me": http://www.youtube.com/watch?v=T8tGCVavS5s

Groovie Ghoulies "She's My Vampire Girl": http://www.youtube.com/watch?v=CmgpZ3tqPwA
(anything by this band, really)

The Real Tuesday Weld "Me and Mr. Wolf": http://www.youtube.com/watch?v=rrwT3bhRz8M

Eartha Kitt "I'd Rather be Burned as a Witch": http://www.youtube.com/watch?v=P-_9WtdYlQA

Eartha Kitt "Snuff Out the Light" (an unused track from "The Emperor's New Groove"): http://www.youtube.com/watch?v=5O50towf9H4

They Might Be Giants "Rat Patrol": http://www.youtube.com/watch?v=zSAY3gIIb8w

"Come Little Children" from the Hocus Pocus soundtrack: http://www.youtube.com/watch?v=1t8-_pI1-9Q

Blue Oyster Cult "Veteran of the Psychic Wars": http://www.youtube.com/watch?v=cIE0wTFg364
(you can just put on "Fire Of Unknown Origin and you're good to go)

Tally Hall "Turn the Lights Off": http://www.youtube.com/watch?v=dLrdSC9MVb4

Skillet "I Feel Like a Monster": http://www.youtube.com/watch?v=1mjlM_RnsVE

Lenka "Trouble is a Friend": http://www.youtube.com/watch?v=WLi6xtJw6Ak

Tom Waits "Underground": http://www.youtube.com/watch?v=el9NNR4w9Ks

Squirrel Nut Zippers "The Ghost of Stephen Foster": http://www.youtube.com/watch?v=7sxFyu_U2go

Nick Cave and the Bad Seeds "Up Jumped the Devil": http://www.youtube.com/watch?v=3J3QHzbK9jY

Richard Band "Re-Animator" (theme song): http://www.youtube.com/watch?v=UlU1LRR2-Es

Finntroll "Under Bergets Rot": http://www.youtube.com/watch?v=tEzuxkkGyWQ

Oingo Boingo "Dead Man's Party": http://www.youtube.com/watch?v=_UbGtjnluyY
(the best band ever, a shitton of their songs are suitably creepy)