Gertrude Lawrence cameras and lighting could not function properly inside a Broadway theater. In 1943, Lawrence hosted a weekly series of American radio shows, some of them featuring discussions with guests and others adaptations of Hollywood hit films. In 1947, she returned to NBC for a production of the 1913 Shaw play "The Great Catherine". To promote "The King and I", Lawrence appeared on various television programs, including the Ed Sullivan-hosted "Toast of the Town", with Rodgers and Hammerstein joining her to perform selections from the show. Additionally, she appeared on several BBC Radio interview and variety shows before and after World
Oscar Hammerstein II Jerome Kern had written "Ol' Man River." "Indeed not," she retorted. "Jerome Kern wrote 'dum, dum, dum-dum.' My husband wrote 'Ol' Man River'." Other Kern-Hammerstein musicals include "Sweet Adeline", "Music in the Air", "Three Sisters", and "Very Warm for May". Hammerstein also collaborated with Vincent Youmans ("Wildflower"), Rudolf Friml ("Rose-Marie"), and Sigmund Romberg ("The Desert Song" and "The New Moon"). Hammerstein's most successful and sustained collaboration began when he teamed up with Richard Rodgers to write a musical adaptation of the play "Green Grow the Lilacs". Rodgers' first partner, Lorenz Hart, originally planned to collaborate with Rodgers on this piece,