The Oak Ridge Boys are an American musical group. Originally a gospel quartet, The Oak Ridge Boys switched their focus to secular music in the 1970s, releasing a string of hit albums and singles that lasted into the early 1990s. In addition to product from their gospel years, their modern-era discography comprises 43 studio album releases and 46 charted singles (plus several hits in tandem with other acts). Their highest-selling album is 1981's Fancy Free, certified double-platinum by the Recording Industry Association of America (RIAA).
Of The Oak Ridge Boys' singles, seventeen reached Number One on the Billboard country singles charts. Two of these songs, "Elvira" and "Bobbie Sue", were also Top 40 pop and Adult Contemporary hits, and the former is certified platinum as a single. Four additional singles ("Sail Away", "Dream On", "Heart of Mine", and "Fancy Free") were also hits on the AC chart, while "I'll Be True to You", "Cryin' Again", "Heart of Mine", "Fancy Free", "So Fine", and "American Made" made the pop chart.