Cynthia Erivo (“Wicked,” “Harriet”), Thabo Rametsi (“Silverton Siege”) and Guy Pearce (“The Brutalist,” “Ink”) are set to star in “The Road Home,” a musical drama about South African jazz legends Miriam ‘Mama Africa’ Makeba and Hugh Masekela, and their Apartheid-era Graceland tour with Paul Simon. Award-winning South African star Rametsi will play the renowned trumpeter...