The most successful rapper ever to call Washington home scored his first No. 1 album with 2013’s “The Gifted,” his thoughtful third record bolstered by the radio hit “Bad.” That same year, to the delight of many longtime fans, the 30-year-old MC announced he was already planning the follow-up, “The Album About Nothing,” the second “Seinfeld”-inspired project of his career. As if music was not enough, Wale — a sports fanatic — was named a “creative liaison” for the Washington Wizards.