Griffin is one of those evocative singer-songwriters that represents that quintessential essence of Americana. Hailed by critics, but often ignored by a larger audience. she deserves so much more. Hopefully her latest single will help in that cause as she's in atmospheric duet with her new beau (Rock God) Robert Plant. There is a siren-like quality to this acoustic-driven meditative love ballad and the undertow of the instruments - acoustic guitars, djembe, dobro -- is as strong and steady as the current of this name-checked river. "Meet me in the evening / Where the river is low..."