Gentry was the Shelby Lynne of her time, a husky-voiced singer with a gift for melding strains of country, swampy rock, and slick Hollywood production values into music as beguiling as her dusky good looks. She perhaps leaned a little too hard on that plucked guitar chord from her '67 hit ''Ode to Billie Joe,'' but the range of her Artistry -- waltzes, sexy ballads, chamber pop, tripped-out protest music, and more -- is astonishing.

