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 match, so I had to let it go." Foreman eventually concluded, in 2003: "[Ali is] the greatest man I've ever known. Not greatest boxer that's too small for him. He had a gift. He's not pretty he's beautiful. Everything America should be, Muhammad Ali is." The fight was broadcast live pay-per-view on closed-circuit television, also known as theatre television, to venues across the world. The fight had a record estimated 50million viewers on closed-circuit television worldwide, grossing an estimated $100million (inflation-adjusted $million) in revenue. In the United States, the fight had an estimated 3million closed-circuit viewers in 400venues, with tickets