Iron Maiden may have enjoyed their biggest commercial success with singer Bruce Dickinson at the helm, but it was original singer Paul Di'Anno who played an important role in the British metal quintet's early formative days. Born on May 17, 1958, Di'Anno grew up in England -- spending his teenage years singing in various rock bands and working as a butcher and chef. He befriended bass player Steve Harris, who was looking to find a replacement for a singer that had just left his up-and-coming heavy metal band in 1977, Iron Maiden. Di'Anno tried out and got the gig, but times we...