Claim: Happy Nation charted in various album charts including the German Albums Chart,  the official music charts in Germany, in which the album reached No. 1.
Evidence: German Albums Chart 1 The GfK Entertainment charts are the official music charts in Germany and are gathered and published by GfK Entertainment (formerly Media Control and Media Control GfK International), a subsidiary of GfK SE, on behalf of Bundesverband Musikindustrie (Federal Association of the Phonographic Industry).