premise: "I Feel for You" by Chaka Khan was released five years after 1984.
hypothesis: Chaka Khan . Khan was the first R&B artist to have a crossover hit featuring a rapper , with `` I Feel for You '' in 1984 . I Feel for You . The most successful and best-known version was recorded by R&B singer Chaka Khan , appearing on her 1984 album , I Feel for You .