Complex sentence: The band was formed in 1993 by Hugh Morgan, Brian Leiser and Steve Borgovini after Leiser, who was already friends with Borgovini, met Morgan at the club where they both worked.
Split into simpler sentences: The band was formed in 1993 by Steve Borgovini, Hugh Morgan and Brian Leiser. After Leiser, who was already friends with Borgovini, met Morgan at the club where they both worked.