By Brandy McDonnellWatch Oklahoma-Texas country duo Maddie & Tae performing their snazzy new single "Friends Don't" earlier this summer at the venerated Grand Ole Opry in Nashville, Tennessee.As previously reported, the cleverly crafted ballad is the first song from the duo - Maddie Marlow of Sugar Land, Texas, and Tae Dye of Ada - since the "Girl in a Country Song" hitmakers signed with Mercury Nashville.Read more on NewsOK.com