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...

Alli Brown's "Undeniable"… Hmm, where to even begin with this kaleidoscope of sound from Salt Lake City? It's like someone took the earnestness of a diary entry, crumpled it up, threw it at a dartboard of genres – pop, folk, country, rock – and then decided to set the whole thing to music. Did the dartboard land on "genius" or "glorious mess"? I'm still...