Kitty Kallen was a band singer, and later a soloist, who lit up bandstands with a handful of top leaders during the '40s. She's remembered for three reasons: big-band fans know that she was the one who replaced Helen O'Connell in the Jimmy Dorsey Orchestra in 1943, also that she sang the vocal chorus on a pair of Harry James hits, "I'm Beginning to See the Light" and "It's Been a Long, Long Time," and virtually everyone with a radio in 1954 knew that she recorded the year's most popular song, "Little Things Mean a Lot." Her career lasted more than 20 years, but it was sporadic...