Input (grade 12): Bobby Darin (May 14, 1936 â "December 20, 1973), born Walden Robert Perciville Cassotto, was an American singer, actor and accomplished musician.
Output (grade 11): Walden Robert Cassotto (May 14, 1936 â "December 20, 1973), better known as Bobby Darin, was an American pop singer, most famous during the 1950s.