KAYTIE’s new single "Evil Person" arrives with the pristine, deliberate clarity of a single ice cube cracking in a silent room. For a piano-driven ballad, there is a surprising amount of sharp edges here. Kaytie Kear, the 20-year-old singer and songwriter behind the name, doesn’t just perform a song of heartbreak; she presents evidence. This is the autopsy of a connection so personal and...

There’s a curious sort of old-soul gravity to Amelina’s single, “Step by Step,” one that defies the pop-rock sheen and the artist’s young age. The track opens with a resolute, almost stern, string and piano line that feels less like an invitation to a party and more like the sound of someone tying their shoelaces before a long journey. This is the sound of...