Dee Dee Warwick signed with Mercury Records’ Blue Rock imprint in 1964, the same year her sister Dionne solidified her place in the upper reaches of the charts with songs like “Walk on By,” “Reach Out for Me” and “You’ll Never Get to Heaven (If You Break My Heart).” Though Dee Dee never saw the same kind of commercial success as Dionne, she carved out a unique vocal identity with her dark, bluesy and intense tone. At Mercury, Dee Dee recorded two albums and a number of singles. In 2012, Soul