Raising Sand is the first collaborative studio album by rock singer Robert Plant and bluegrass-country singer Alison Krauss. It was released in October 2007 by Rounder Records. Raising Sand won Album of the Year at the 2008 Americana Music Honors & Awards and at the 2009 Grammy Awards. Album of the Year at the 51st Annual Grammy Awards, February 8, 2009 at Staples Center. Wiki link Wiki link