LAGOS, Nigeria (AP) — When in 1976 teenager Yunusa Yau and his friends grew tired of Nigerian soldiers’ high-handedness in their school, they turned to a satirical song — “Zombie,” by Fela Kuti , the title track of his album released that year. By then, the military had been in power for a decade, following a coup. A brutal civil war killed at least three million people, rocking the fledgling democracy of the resource-rich nation after independence from Britain in 1960. The military ruler,