The Judds shaped and defined the sound of contemporary country music in the 1980s. Mother Naomi and daughter Wynonna enjoyed an astounding run of 14 number one singles from 1984 to 1989, ranking them as one of the most popular country acts of the '80s. Their music combined elements of traditional country harmony singing, bluegrass, and Appalachian folk with pop, rock, and polished contemporary production. Moreover, Wynonna's powerful, bluesy lead vocals established her as one of the finest female country singers of her era. But even more important than their widely accessible...