High Quality Content by WIKIPEDIA articles! The 1979 Pittsburgh Pirates had 98 wins and 64 losses and captured the National League East Division title by two games over the Montreal Expos. The Pirates beat the Cincinnati Reds to win their ninth National League title, and the Baltimore Orioles to win their fifth World Series title - and also their last playoff series victory to date. The wildly popular disco hit "We Are Family" by Sister Sledge was used as the team`s theme song that season.