Gianluca Zanna’s new single, "You Are My Destiny," arrives with the polished sheen and unwavering confidence of a high-tech skyscraper. On a track featuring the soaring vocals of Claudette Lyons, Zanna, an entrepreneur with a background in self-defense, has built an anthem of absolute romantic certainty. There's a curious friction in that, isn't there? A man professionally versed in calculating risk and creating impenetrable...

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...