Emmanuel Elibariki Munisi—widely known by his stage names Nay Wa Mitego, Mr. Nay, and NayTrueboy—is a fearless voice in Tanzanian music, a pioneer of Bongoflava, and a bold activist who never shies away from controversy. In his latest hard-hitting release, “Nyie Ni Nani,” Nay once again proves why he’s a force to be reckoned with.