Claim: Raising Sand, which was released on October 23, 2007 by Rounder Records, was commended by various music critics such as BBC and Music Box with one critic saying that the key to the magic is the delicious harmony vocals of Krauss and Plant.
Evidence: It was released on October 23, 2007 by Rounder Records. The BBC described Krauss's fiddle as "coruscating" and "raw", while Music Box said Krauss "exceeds all expectations". Critics praised Krauss and Plant's vocals; one critic saying that the "key to the magic is the delicious harmony vocals of the unlikely duo".