Rolling Stone Country has the scoop about the special guests that joined ZBB during their sold out show run at Fenway Park June 27-28.

“Zac Brown Band kicked off a two-night stand at Boston's Fenway Park last weekend by rolling out a few surprises, including a rare cover of the Doobie Brothers' chart-topping classic, "Black Water" — performed with a little help from the Doobies themselves.”

To read more about ZBB and the Doobie Brothers’ collaboration, visit here. To see where else ZBB will visit this summer on the Great American Road Trip, visit here.