Men at Work flautist Greg Ham has been found dead in his Melbourne home.
Two friends found the 58-year-old's body when they went to his Carlton North home yesterday after not hearing from him for a week.
Police are trying to determine the cause of death.
Homicide squad Detective Senior Sergeant Shane O'Connell said there were a number of unexplained aspects which led to police becoming involved.
"Because of the early stages of our investigation, we're not prepared to go into the exact details of what has occurred," he told reporters.