"This woman comes here and in an incredibly shameless manner, she provokes a crazy enthusiasm, an enthusiasm of lust, lustful thoughts, impure thoughts," said Medina, the cardinal who was chosen to announce the election of Pope Benedict XVI.
Hundreds of fans spent three days camping outside the National Stadium in Santiago to get good spots for Wednesday's concert, the first of two. About 60,000 people were expected at each performance.
One of those waiting in line, Roberto Lopez, told local reporters that he had quit his job in the southern city of Punta Arenas because his boss hadn't given him time off to attend the concert.
Pinochet died Dec. 10, 2006, at age 91.
Medina said that some of those who claim to seek justice for violations of human rights under the dictator are actually seeking revenge.