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...

Sam Ostler’s new single, “Lights,” then. It unfolds less like a sudden, intrusive glare and more like the slow, determined burn of a really good stage light finally finding its mark after a prolonged blackout. It’s pop, yes, vibrant and undeniably contemporary as advertised – clean lines, clear intentions. Yet, there’s a certain satisfying heft beneath the melodic uplift, a feeling that these notes...