South African President Cyril Ramaphosa's arrival in Japan for the 9th Tokyo International Conference on African Development was met with a heartfelt surprise—a rendition of the hymn "Wahambanathi" in isiNdebele and Shona. This week, we explore the power of music as a diplomatic tool and ask a fascinating question: if you were a head of state, what South African song would you choose to be greeted with on a foreign trip, and what message would it send?