Opened at the Mark Hellinger Theatre on February 6, 1969. Closed May 31, 1969 after 132 performances — 4 months. Dear World is a musical with music and lyrics by Jerry Herman and book by Jerome Lawrence and Robert E. Lee. With its opening, Herman became the first composer-lyricist in history to have three productions running simultaneously on Broadway. It starred Angela Lansbury, who won the Tony Award for Leading Actress in a Musical in 1969 for her performance as the Countess Aurelia. Wiki link