What Cha' Gonna Do for Me [LP]As a vocalist, Chaka Khan is the one of the very few who often doesn't need great material to prosper. Thankfully, on What Cha' Gonna Do for Me that isn't the case. Teaming again with Arif Mardin, slowly but surely the two began to craft an even more successful and innovative sound. This effort not only bests the work before it, but it is Mardin's most fulfilling production since 1974's Average White Band. The cover of "We Can Work It Out" gets a