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...

Most music that arrives with the label “meditative” feels like an instruction to relax—a gentle but firm command. Karen Salicath Jamali’s “Angel Gabriel’s Light,” however, doesn’t instruct; it simply arrives. Listening to this single for the first time is like walking into a room to find the light has changed color, subtly and without explanation. You don’t question how it happened. You just stand...