(Courtesy of http://walkerhayes.com/) boom. Walker Hayes uses the word often. “It just felt right,” the breakout country singer says of the title for his highly-anticipated new album. It’s a celebratory sort of thing, he’ll tell you. A new radio station adds his buzzing single, “You Broke Up With Me.” boom. He links up for a national tour with Thomas Rhett. boom. That rowdy performance at CMA Fest –the one that had the crowd singing every word of his music back to him? boom. It wasn’t always this way. Not by a long shot. Lately, though, Hayes has had occasion to bust out the word often. And he’s not complaining.