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...

Dylan Forshner's new EP, “Hopeless Optimism,” presents itself not so much as a collection of songs but as a series of candid diary entries set to intricately picked acoustic strings. This five-song journey from the Welland, Canada artist begins in a place of palpable internal wrestling, where the lyrics – and Forshner’s delivery – map out the grim territories of being overwhelmed, using substances...