Input (grade 13): Bobby Darin (born Walden Robert Cassotto, May 14, 1936 - December 20, 1973) was one of the most popular American big band performers and rock and roll teen idols of the late 1950s and early 1960s.
Output (grade 10): Walden Robert Cassotto (May 14, 1936 - December 20, 1973), better known as Bobby Darin, was an American pop singer, most famous during the 1950s.