Continuity mistake: After Solina is spattered with blood after Dax is killed by one of the traps in the vault, the amount of blood on her white coat keeps changing. For example, on the plain, as Dracula moves his head down towards her neck to bite her, there's a huge bloodstain on her shoulder, which wasn't there in the previous shots. (00:14:35)
Continuity mistake: After Dracula bites Solina, there's a thin streak of blood on his chin. After Marcus shoots him, the streak becomes thicker, and then becomes thinner again when Marcus shoots the roof of the plane. (00:26:25)
Continuity mistake: When Solina hands Van Helsing the manifests, in the wide-shot, she's holding the top of the papers. In the following close-up, she's holding the side of the papers. (00:04:40)
Continuity mistake: When Mary falls down on the sidewalk, she lands on her side, parallel to the road. In the next shot, she's lying on her back, perpendicular to the road. (01:26:50)
Continuity mistake: When the thieves find Dracula's coffin, Solina walks over to it and crouches down. In the next shot, she's back on her feet and crouches down again. (00:12:05)
Continuity mistake: When Nightshade tries to find a way to open the coffin and says, "Wasn't part of the frickin' plan", his hands change position on the coffin between shots. (00:13:05)
Continuity mistake: After Eddie is impaled by the spikes from the ceiling and lies on the pedestal, the blood stain in front of his head keeps changing shape. (00:13:20)
Audio problem: After Simon rescues Mary as she escapes from her house, when he says, "Where's your father? Where is he?", his mouth continues moving after he stops speaking. (00:07:00)
Continuity mistake: When Mary is talking to the priest for the second time, his hand changes position on the bench between the first and second shot. (00:46:25)
Continuity mistake: When Nightshade finds the crucifix inside Dracula's coffin, as he's holding it in his hands and says, "Rubies", the position of his fingers changes between the close-up and the previous and following wide-shot. (00:23:20)
Continuity mistake: When Valerie is hiding in the TV van, as she touches the wound on her neck, her other hand is resting against the wall. In the next shot, her hand has moved further up the wall. (00:34:40)
Continuity mistake: When Mary is lying on the sidewalk after Dracula drops her, there's a card under her right shoulder, which disappears and reappears between shots. (01:26:55)
Answer: "Heads Explode" by Monster Magnet.
OneHappyHusky