Dead Last (2001)

After finding an ancient amulet, three members of a struggling rock band -- lead singer Vaughn, drummer Scotty and bass player Jane -- find their touring schedule constantly interrupted by restless spririts begging for the trio to help them resolve their earthly business so they can pass on to the next plane -- even if that assistance puts the three humans in mortal jeopardy. Dennis, their uptight manager, would probably object, but he doesn't have a clue what is going on.