Complex sentence: Phillip Wilcher (born 16 March 1958) is an Australian pianist and composer, was one of the founding members of the Wiggles, but left the group after the group's debut album in 1991.
Split into simpler sentences: Phillip Wilcher (born 16 March 1958) is an Australian pianist and composer. Wilcher was one of the founding members of The Wiggles, but left the group shortly after the group's debut album in 1991.