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
George Foreman Joe Frazier and Ken Norton within two rounds. When Foreman and Ali finally met in the ring, Ali began more aggressively than expected, outscoring Foreman with superior punching speed. However, Ali quickly realized that this approach required him to move much more than Foreman and would cause him to tire. In the second round, Ali retreated to the ropes, shielding his head and hitting Foreman in the face at every opportunity. Foreman dug vicious body punches into Ali's sides; however, Foreman was unable to land many big punches to Ali's head. The ring ropes, being much looser than usual (Foreman