Related Information for Kinleys Since their debut, there has been a sea of female vocal groups, but none with the unique sound of the Kinleys. As twin sisters, Jennifer and Heather possess an innate sense of harmony, and their vocals have never sounded better than on their latest release, All In The Family. The sisters first attracted attention with their debut Just Between You and Me. Their first single, "Please," was an impassioned plea and remains the highest debuting single by a female duo in country music.. read more