When The Paris Diary exploded on the scene in 1966 there had never been a book in English quite like it: Its intimate combination of personal, literary, and social insights was unprecedented. Rorem's self-portrait of the artist as a young man, written between 1951 and 1955, was also a mirror of the times, depicting the now vanished milieu of Cocteau, Eluard, Gide, Landowska, Boulez, the Vicomtesse de Noailles, and others whose paths crossed with Rorem's...