CHALI MULENGA, Livingstone LAST month, Roberto was expected to join the likes of Jay Rox, Abel Chungu, Pompi, Magg 44, Wezi and award-winning South African rapper Cassper Nyovest at the Livingstone Royal Golf Club for the Mosi Day of Thunder festival. But as he was in Windhoek, Namibia, attending the Namibia Annual Music Awards (NAMA), […]