A Cape Town Opera spokesman said the musical has been written by two different composers so each act is in stark contrast to the others.
He added that they all have "an over-arching dramatic theme that shines a light on the life of an extraordinary man".
Mandela died in 2013 after becoming a worldwide icon in the fight against racism. The South African anti-apartheid revolutionary became South Africa's first Black president that had been chosen in a fully representative democratic election in 1994.
Mandela Trilogy - UK Tour Cape Town Opera in partnership with Wales Millennium Centre Tickets cost from £17.
24-27 August - Wales Millennium Centre, Cardiff www.wmc.org.uk or call 029 2063 6464