Listening to Libby Ember’s single “Alibi” is a study in strange emotional temperatures. The sound is a down-tempo, sun-dusted blanket of soft guitars and gentle synth pads, the kind of arrangement you’d put on to feel safe. But the feeling it leaves behind is a deep, architectural cold, the kind you find in the shadowed corners of an old stone church long after the...

Anxiety gets a body, a corner and a countdown on IamSnap’s "Last Round". The Australian hip-hop artist turns depression and anxiety into a live opponent, then refuses to give that opponent the final word. Featuring Lydia Caesar, this new single runs on friction: blunt rap passages that name procrastination, self-doubt and creative paralysis, followed by a chorus that reaches for daylight without pretending the fight has...