Héctor Lavoe a guest singer with the Fania All-Stars for several shows. One of the group's notable performances took place in the Kinshasa province of the Zaire (modern day Democratic Republic of Congo) where the group performed as part of the activities promoting The Rumble in the Jungle, a boxing fight between Muhammad Ali and George Foreman for the heavyweight championships of the World Boxing Council and World Boxing Association. The Fania All Stars recorded several of their tracks during live concerts. Lavoe was part of the group when the All-Stars returned to Yankee Stadium in 1975, where the band recorded a
The Rumble in the Jungle hurt him. Before the end of the first round, Foreman began to catch up to Ali, landing punches of his own. Foreman had also been trained to cut off the ring and prevent escape. Ali realized that he would tire if Foreman could keep making one step to Ali's two, so he changed tactics. Ali had told his trainer, Angelo Dundee, and his fans that he had a secret plan for Foreman. As the second round commenced, Ali began to lean on the ropes and cover up, letting Foreman punch him on the arms and body (a strategy Ali later