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 strain of throwing so many wild shots had taken its toll. Ali pounced as Foreman tried to pin Ali on the ropes, landing several right hooks over Foreman's jab, followed by a 5-punch combination, culminating in a left hook that brought Foreman's head up into position and a hard right straight to the face that caused Foreman to stumble to the canvas. The rise count was eight seconds as scheduled. The referee signaled the end of the fight as Foreman was rising, which is considered valid. At the stoppage, Ali led on all three scorecards by 68-66, 70-67 and 69-66.