When: Sat., Aug. 1, 7 p.m.
Dan Smyers and Shay Mooney formed their duo in Nashville in 2013. Five years later, they took home a Grammy for “Tequila,” which plumbs much more forlorn feelings than you’d expect from a song named after booze. But then, this duo is full of surprises. In what’s surely the first application of a Malcolm Gladwell concept to pop-country crossover, the pair last year released “10,000 Hours,” a collaboration with Justin Bieber.