Paul Anka is a Canadian singer, songwriter, and actor who has been active in the music industry since the 1950s. He is best known for his hit single 'DIANA' and for writing the theme song for The Tonight Show Starring Johnny Carson. He also wrote the lyrics to the song 'SHE's a Lady, ' which was recorded by Tom Jones in 1971. Anka is a highly successful lyricist who has written songs for many other artists, including Frank Sinatra, Buddy Holly, and Elvis Presley.