Formats
As with previous Kraftwerk releases, the collection is distributed in two versions: English-language vocal tracks for international distribution and another (Der Katalog) with German-language vocal tracks. The boxed set contains eight CDs in mini-vinyl card wallet packaging, plus individual large-format booklets. On October 5, 2009, Kraftwerk released several remastered albums with redesigned artwork.
Read more about this topic: The Catalogue