Complex sentence: Bibb's father, Leon Bibb, is a singer in musical theatre who made a name for himself as part of the 1960s New York folk scene; his uncle was the jazz pianist and composer John Lewis, of the Modern Jazz Quartet.
Split into simpler sentences: Bibb's father, Leon Bibb, is a singer in musical theatre who made a name for himself as part of the 1960s New York folk scene. His uncle was the jazz pianist and composer John Lewis, of the Modern Jazz Quartet.