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
Muhammad Ali vs. Joe Frazier II least significant and interesting fight of their rivalry. One columnist described it as a contest between two "former champions, both beaten, both past their best". Nonetheless, Ali wanted to avenge his loss to Frazier in their first fight, and a world title try at Heavyweight champion George Foreman, who had dethroned Frazier, was at stake. Their first and third fights became part of boxing's lore, but some viewers considered the second fight to be entertaining as well. On January 23, 1974 (5 Days Before Their Rematch), Ali and Frazier visited the ABC studios in New York City to review their