Amy-Lin Slezak’s “Known 3 Yrs. Seen 24 Hrs” opens with the bright, optimistic twang of country pop, a sound so sun-drenched you can almost feel the heat coming off the asphalt. The fiddle weaves itself through clean acoustic strums and soaring electric guitars, a musical language we all know. But the story it tells is something wonderfully specific, a peculiar ache you didn't know...

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...