Eager adolescents jampacked Paris' gilded, rococo Opera House. Before the curtain went up, they dutifully pored over the program notes on "le jazz hot" which the Air Forces Band was going to play. But what they really came to hear was the band's shy, Detroit-born, 24-year-old Sergeant Johnny Desmond. He has been spreading havoc among European bobby-soxers since he first sang over BBC, five months ago.
Last week Sergeant Desmond—variously known as the "G.I. Sinatra" and "The Creamer," because of his smooth, creamy baritone—was getting fan mail in three languages: English, German and...