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 had too much to drink. Ali biographer Thomas Hauser, who was present, recalled that for the next 10 minutes Larry Holmes positioned himself between Ali and Frazier, preventing Frazier from reaching Ali. George Foreman then took over and acted as Ali's shield for the next 10 minutes. Throughout this incident, Ali remained oblivious to what was going on. In his 1996 autobiography "Smokin' Joe: The Autobiography of a Heavyweight Champion of the World", in which he always refers to Ali as Cassius Clay, Frazier wrote: Commenting on Ali lighting the Olympic flame in 1996, Frazier stated that it would have