Raising Sand is a Grammy-award winning collaboration album by rock singer Robert Plant and bluegrass-country singer Alison Krauss. It was released on October 23, 2007 by Rounder Records. Raising Sand won Album of the Year at the 2008 Americana Music Honors & Awards and at the 2009 Grammy Awards.

Raise the Roof is the second collaborative studio album by British singer-songwriter Robert Plant and American bluegrass-country singer Alison Krauss. The album was released on November 19, 2021, by Rounder Records and Concord Records in the United States and Warner Music for the rest of the world. The album was nominated for three Grammy Awards at the 65th Annual Grammy Awards, including Best Americana Album, Best American Roots Song for "High and Lonesome," and Best Country Duo/Group Performance for "Going Where the Lonely Go".