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The Three Tenors is a series of concerts, given particularly (but not exclusively) during the Football World Cup Finals, by noted operatic tenors Placido Domingo, José Carreras and Luciano Pavarotti
In 1990, hundreds of millions of people around the world watched the Three Tenors give a concert at the opening of the Italia '90 World Cup in Rome. It was originally conceived to raise money for Carreras's foundation and also as a way for his colleagues, Domingo and Pavarotti, to welcome their colleague back to the world of opera but has been repeated a number of times since then. They sang together at Dodger Stadium in Los Angeles for the 1994 finals, in Paris during France '98 and in Yokohama during the 2002 tournament.
The fees received were in line with the size of the audience, and the video and sound recordings, which were multi-platinum. These concerts were just that, unstaged, and, therefore, have no bearing on the communication process that the "purists" complained about at the time.
It can be equally argued that that the Three Tenors have opened up a larger audience with their honest, direct approach to their art...