Simplify the following text for a Grade 11 native English-speaking person.
Original: Mothership is a compilation album by English rock group Led Zeppelin , released by Atlantic Records and Rhino Entertainment on 12 November 2007 in the United Kingdom , and 13 November 2007 in the United States .
Simplified: Mothership is a album made up of Led Zeppelin songs and released by Atlantic Records and Rhino Entertainment on November 12th , 2007 in the United Kingdom and November 13th , 2007 .