Loos ("Gentlemen Prefer Blondes") wrote "Happy Birthday" as a starring vehicle for her friend, Helen Hayes, and RichardRodgers and Oscar Hammerstein produced it on Broadway in 1946, where it ran for nearly a year and a half.
Obama finished his whirlwind of meetings with tea at Buckingham Palace with the British monarch and her husband, Prince Philip, where, according to media reports, the president gave the queen a fully loaded, engraved iPod and a rare, signed songbook from American composer RichardRodgers.
The reunited band will play 15 performances at the RichardRodgers Theatre beginning next month (performances start April 15), a show combining live performance, video reenactments, archival concert and news footage, op-art backdrops and psychedelic lighting.