There’s a reason why Ricky Skaggs pulled Eric and Leigh Gibson off the stage at the Ryman two decades ago and offered to produce their debut record. The same thing that led David Ferguson and Grammy Award winning producer and Black Keys frontman Dan Auerbach to co-write and produce their 14th album “Mockingbird” (2018) and release it on his own label Easy Eye Sound alongside cultural icons such as Hank Williams Jr. and Dr. John: The Gibson Brothers are the real deal.