He attended St. Joseph's College in Philadelphia before earning a Master's Degree in drama at The Catholic University of America.
[citation needed] Before Giovanni became an actor, he wrote songs for, and performed with, the Side Show rock group.
[2] Giovanni wrote the music for The Wicker Man soundtrack, also writing the lyrics and singing "Landlord's Daughter" and "Gently Johnny", where he appears in later cuts of the film.
The music was played by a group of six musicians, Gary Carpenter, Peter Brewis, Andrew Tompkins, Ian Cutler, Michael Cole, and Bernard Murray, who used the name Magnet for their collaboration.
Giovanni also composed a musical entitled Shot Thru The Heart, which has only performed at Detroit's Birmingham Theatre before closing.