Ted Koehler Ted Koehler was a prolific American lyricist who is responsible for writing numerous classics. He most famously collaborated with the composer Harold Arlen. Koehler and Arlen wrote together from the 1920s through to the 1940s and created great songs including "Get Happy", "I've Got the World on a String", "Between The Devil And The Deep Blue Sea", "I Gotta Right To Sing The Blues", "Stormy Weather" and "When the Sun Comes Out".