The Cuban-American singer and songwriter Gloria Estefan is the most successful Latin music artist in the United States; she has sold more than 100 million albums worldwide. Born in Cuba, she came to the United States at the age of one when her family fled the revolution that brought Fidel Castro to power. She began singing professionally at age 17, with the band Miami Sound Machine. Led by her husband, Emilio Estefan, the band experienced international success in the Spanish-speaking world long before their breakthrough English-language hit "Conga" in 1985. With Gloria as lead...