Song was a part of the Cameroon squads that won the 2000 and 2002 Africa Cup of Nations. After winning the 23rd edition of the football championship of Africa, The "Indomitable Lions" featured in the 2002 World Cup, but were again eliminated in the group stage following a 1–1 draw with the Republic of Ireland, a 1–0 win over Saudi Arabia and a 2–0 defeat to Germany.