Janet Devlin’s new single, “Houston,” arrives as a gleeful contradiction, a two-stepping Americana anthem for the sovereign state of one. It has all the upbeat, country-rock fixings for a roadside sing-along, yet its heart is miles away, floating in a self-imposed, wonderfully stubborn vacuum. The track opens, and you’re ready for a communal good time; instead, you find yourself at a party where the...

From the sun-kissed lanes of Athens emerges Mama Blue, a songstress whose voice seems to harness the very essence of nightfall. Her voice, a sultry echo reminiscent of Twilight's embrace, is on full, mesmerizing display in her latest single, "Mother of the Night." Few songs possess the power to transport, to ensnare; this is one of them. While many young artists seek the latest trends, Mama...