Ian Gillan Gillan Band and Gillan, before a year-long stint as the vocalist for Black Sabbath in 1983. The following year, Deep Purple reformed and two more successful albums followed before he left in 1989. He returned to the group in 1993, and has remained its lead singer ever since. In addition to his main work—performing with Deep Purple and other bands during the 1970s and 1980s—he sang the role of Jesus in the original recording of Andrew Lloyd Webber's rock opera "Jesus Christ Superstar", performed in the charity supergroup Rock Aid Armenia, and engaged in a number of business investments and
David DeFeis He is also influenced by rock singers like Freddie Mercury, Robert Plant, David Coverdale, Ronnie James Dio and Ian Gillan. The major part of the lyrics DeFeis writes are mythological, dealing with subjects from especially Greek mythology, Sumerian mythology and Christian religion. All of them are based on real life in some form or another. DeFeis comes from a theatrical family: his father is a Shakespearian actor who runs the theatre company "The Arena Players Theatre" while his sister Doreen is a gifted opera singer who performs all over Europe. A big fan of European classical music, at 9–10 years