Eminem (left) and Vivek Ramaswamy (right).Theo Wargo via Getty Images; Demetrius Freeman/The Washington Post via Getty Images Vivek Ramaswamy's days as a rapping presidential candidate may be over. Ramaswamy's campaign received a request from rap star Eminem to stop using his music. Ramaswamy has previously said that Eminem's "Lose Yourself" was his life's theme song. Rap legend Eminem wants the GOP presidential candidate Vivek Ramaswamy to stop rapping to his music on the campaign trail.Music licencer BMI sent a cease-and-desist letter to Ramaswamy's campaign, asking them to stop using the rapper's songs, according to a copy obtained by the Daily Mail and CNN.The letter, sent on August 23, said BMI has "received communications from Marshall B.