Porter & Dolly, George & Tammy, Loretta & Conway, Gram & Emmylou, Johnny & June, Joey & Rory, Keifer & Shawna Thompson, Mark & Jay O’Shea, Kacey Chambers & Shane Nicholson. These are all powerful country / Americana duets and you can add Megan & Shane (Bakersfield) as they set to release “Oh Hell” (as a double single with “Put Me Down” on July 14. The light-hearted romps follow up their critically-acclaimed LP Daughter of Country, which garnered them a nomination for “Best Roots Album” via No Depression.