Crispian St. Peters, English singer-songwriter (b. 1939)
Crispian St. Peters (born Robin Peter Smith, 5 April 1939 – 8 June 2010) was an English pop singer-songwriter, best known for his work in the 1960s, particularly hit songs written by duo The Changin' Times, including "The Pied Piper," and Ian & Sylvia's "You Were on My Mind".