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...

"Summer Rain" by Kristen Castro comes out at just the right time, like when the storm clouds part and the sun shines through, bathing everything in a soft yellow light. The Nashville-based singer-songwriter has really moved me with this song. It is both highly personal and easily understandable to everyone, like finding an old diary entry that applies to your present situation in some way. Five...