A lot of country duets could have made the top five but Kenny Rogers gets the nod, not least for being a white-beardy Father Christmas lookalike.

It started as an alternative country duet with singer Ty Semaka and guitarist Alan Kolodziejzyk in 1990 and has been a 5 piece since 1992.

Life is one long country duet for Marti Jones and Don Dixon, a married pair of singer-songwriters much loved by fans of urbane roots music.

This became the duo's fourth studio album, as they were now becoming one of the most popular country duet vocal teams of the 70s.

Kelley could handle the vocals O.K. - the twins had sung country duets together in high school - but guitar was another matter.

Bon Jovi's previous country duet, "Who Says You Can't Go Home", claimed the same award in 2006.

It is also her fourth country duet with other artists.

Rockabilly singer Bob Gallion began to sing country duets with Patti Powell in the 1970s.

The contemporary country duet is set in common time with a gentle tempo of 69 beats per minute.

After Graduating college from the University of Alabama Shelly moved to California in 2000 and began playing music in a country duet called Sister South.