Complex sentence: Markus Michael Patrick "Mark" Feehily (born 28 May 1980) is an Irish singer, and songwriter who was one of the lead singers and frontman of the former Irish boy band Westlife.
Split into simpler sentences: Markus Michael Patrick Feehily (born 28 May 1980) is an Irish singer and songwriter. He was one of the lead singers of the boy band Westlife.