Gertrude Lawrence but when he proved to be unenthused by the suggestion, Lawrence sent the book to Richard Rodgers and Oscar Hammerstein II. Rodgers initially demurred because he felt Lawrence's vocal range was limited and she had a tendency to sing flat. But he realised the story had strong potential, and the two men agreed to write what ultimately became "The King and I". It opened on Broadway in March 1951, and ultimately, Lawrence won the Tony Award for Best Actress in a Musical for her performance. Her triumph was short-lived; her health deteriorated rapidly, forcing her to miss numerous performances until
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,