Wikipedia
The Samuelsons was a country and gospel group from Sweden, between the 1970's and 80's. It consisted of the brothers Rolf (1939–1981), Kjell (born 1942), Olle (born 1950) and Jard Samuelson (born 1952).
In 1966 Kjell & Rolf released the first album in America which was awarded three stars by Billboard. They soon became popular throughout Europe, Canada and the U.S.Billboard 2 september 1967, , 5 juni 1971, , 5 februari 1972, 3 mars 1973, , , 10 augusti 1974, 7 december 1974.
The history of Gospel music (Silverline Music, 1971)
The Samuelson brothers toured in Scandinavia with Pat Boone, Dolly Parton, Tammy Wynette, Marty Robbins and Wanda Jackson and participated several times at the Grand Ole Opry in Nashville.
On their records made in Nashville, musicians that played with Elvis Presley, Dolly Parton and Johnny Cash participated, like Charlie McCoy, Weldon Myrick, Kenny Malone, Reggie Young, Larrie Londin, Tony Brown, Ron Oates, Bill Pursell, Pete Wade, Harold Bradley and Buddy Harman.
The group made over 30 albums in Swedish and English which were sold in over 1,5 million copies on their own record label Pilot Music and Heart Warming and Impact Records in the U.S.