SOME musicians entertain. Some educate. Fela Anikulapo Kuti? He declared war—armed only with a saxophone, a relentless groove, and the kind of audacity that made military dictators break out in nervous sweats. Nigeria's most flamboyant revolutionary didn't need grenades when he had a groove. While others whispered dissent in backrooms, Fela was broadcasting his contempt for corrupt authority through thundering horns, hypnotic drums, and lyrics so sharp they could slice through propaganda like a hot knife through butter. His weapon of choice? Afrobeat—that intoxicating fusion of jazz, funk, soul, and Yoruba rhythms that he didn't just create, he unleashed upon…