The Oak Ridge Boys

Genre: Country

Country of Origin: Singapore

The Oak Ridge Boys are an American country and gospel vocal quartet.
The group was founded in the 1940s as the Oak Ridge Quartet. They became popular in southern gospel during the 1950s. Their name was officially changed to the Oak Ridge Boys in the early 1960s, and they remained a gospel-oriented group until the mid-1970s, when they changed their image and concentrated on country music. - Wikipedia