"Throughout the 1970s, the Pittsburgh Pirates were a perennial National League power. They had been the first club in major league history to field an all black and Hispanic team, and they saw their team as a tight, close-knit family. In 1979, with the disco beat of "We Are Family", they won the pennant, and in the World Series, again faced their old rivals from 1971: Earl Weaver's Baltimore Orioles."