Musician, dancer and anthropologist Johnny Clegg performs South African pop at 8 p.m., Friday, May 6. $15 to $42. At 7:15 p.m., Praise Zenenga, a professor in the UA Humanities Department, lectures in the plaza on the west side of Centennial Hall about the music and socio-political climate of South Africa. Free. Call or visit uapresents.org for more information.