Need a scary instrumental song for a dance. HELP?

You could always use a phantom of the opera type song :)

The overture from Phantom of the Opera comes to mind, but that may not be what you wanted. You should check it out, though!

Instrumentals Evanescence –Eternal, Demise, Ascension of the spirit Pink Floyd—Marooned, Terminal frost, Interstellar Overdrive, Absolutely Curtains, Mudmen, Obscured by clouds, One of these days (1 line of lyrics), Any colour you like, Atom heart mother, Cluster 1, On the run, Pow R Toc H, Several small species of animals gather together in a cave & grooving with a pict, Signs of life, Sysyphus part 1-4, The grand vizier’s garden party parts 1-4, When you’re in Metallica (instrumentals)-- (Anesthesia) Pulling Teeth (Kill 'Em All), The Call of Ktulu (Ride the Lightning and the S&M album), Orion (Master of Puppets), To Live is to Die (...And Justice for All), The Ecstasy of Gold (S& M) , Suicide & Redemption (Death Magnetic) from the movie Legend- The unicorn theme , The Cottage , Darkness, The Dance, The fairies from the movie Dracula-Love eternal, Love remembered, The storm, Lucy’s party from the movie Dragonheart -World of your heart, Flight to Avalon, Draco, to the stars, main theme from the movie Ladyhawke -main theme, She was sad at first, Phillippe describes Isabeau from the movie the Princess Bride-- The cliffs of insanity, I will never love again, The fireswamp & rodent of unusual size Alborada (A dawn of many colors album)- Ode to a woman, Mountain Melody Ceol Mor—(Celtic Passages Album)--Enchanted forest, The mountains at dawn, Sparkling river Show me your fire truck—Backdraft Top Gun Anthem Star Wars movie soundtracks Star Trek Movie soundtracks Avatar movie soundtrack Stargate soundtrack Frankenstein-Edgar Winter Group Sleepwalk-Santo & Johnny Midnight cowboy—Faith no more The Brazilian—Genesis Last of the wilds-Nightwish Moondance—Nightwish Fly-Sarah Brightman Ghosts 1-4 (album)—NIN (double album of instrumentals) 7 Sirens & A Silver Tear—Sirenia Perversion 99—Rob Zombie Transylvania—Iron Maiden Magica Theme-Dio Fire Dance, Holy Light—Stratovarius Black Mountain Slide—Led Zeppelin Soothsayer—Buckethead Angi-Paul Simon Black Star—Yngwie Malsteen