Listening to Sons of Martha's new single, "Samurai Smile," feels a bit like finding a beautiful, slightly unnerving porcelain doll tucked away in a toolbox – all sharp edges and unexpected fragility. This North London outfit promised a harder sound, and they deliver; guitars chew and churn with a satisfying grit reminiscent of early '90s Manchester swagger, but filtered through a distinctly modern unease....

Robbie Rapids drops "Class 2 Rapids" onto the table like a heavy set of keys to houses you used to live in, but can’t quite remember the address of. This Atlanta-based Gen X rocker has assembled a collection that feels less like a polished studio product and more like a glove compartment mixtape that has survived three car wrecks and a cross-country move. It...