. At Wal-Mart (and until recently K-Mart) stores, only a "clean" version of an album is allowed, and if no "clean" version of the album is available, the album will not be available. However, Wal-Mart's policy on carrying "explicit" versions of music albums in their stores seems to vary by country, as albums with the parental advisory label are found in Canadian Wal-Mart stores, for example. Most CDs are available at Wal-Mart in edited formats. However, some CDs are available in edited formats at Wal-Mart.com, but are not available in the stores due to controversy