A coroner's official says an autopsy on Jani Lane, the former lead singer of the metal rock band Warrant, did not reveal what killed the rocker.

Assistant Chief Coroner Ed Winter said Friday the cause of death will be determined after results from toxicology and other tests are received. Winter says that process may take up to two months.

Lane was found dead in a hotel room around 5:30 p.m. Thursday.

With his long blond hair and tight leather outfits, Lane embodied the excess of "hair metal" rock bands. He joined Warrant in 1984 and wrote such hits as "Heaven," "Down Boys" and "Cherry Pie."

He had an on-and-off relationship with the band, leaving it in 1992 before returning and quitting again several times.