sentences:  Deciding that the role should be filled by a live actor, Henson initially considered offering it to Simon MacCorkindale or Kevin Kline.After "Labyrinth" score composer Trevor Jones proposed the idea of using contemporary music for the film, Henson decided he wanted a big, charismatic pop star to sing and act as the Goblin King.Several contemporary singers including Sting, Freddie Mercury and Prince were considered for the role before Henson's sons Brian and John convinced him to offer it to David Bowie, who they believed would have the most lasting appeal with audiences.