Music? Yep. Have my own iMixes for that.
Candles? Sure, if it's a night. Sets a mood that even dim lights can't.
Whips, Chains, Handcuffs? Well, the handcuffs, but only because my partner is a cop, and his uniform is usually draped over a chair not too far from the bed.
Sometimes the dogs like to get in on the action which does get a little unnerving and distracting. They're jealous little buggers.