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...

Alli Brown's "Undeniable"… Hmm, where to even begin with this kaleidoscope of sound from Salt Lake City? It's like someone took the earnestness of a diary entry, crumpled it up, threw it at a dartboard of genres – pop, folk, country, rock – and then decided to set the whole thing to music. Did the dartboard land on "genius" or "glorious mess"? I'm still...