 Complete the following phrase:  After A.S. Roma won against Club Brugge KV in Belgium in 2006, fans of the former team began to use the riff as a chant, having learned it from the latter. Fans of the Italy national football team proceeded to chant the riff at games leading up to the 2006 FIFA World Cup, and Seven Nation Armyknown as the po po po song among Italiansbecame the teams unofficial theme. After Italy won the 