第三次領土拡大遠征凱旋記念『国王生誕祭』(Triumph of Territorial Expansion 3; Celebration of "King's Birthday") contains footage from the live concert 第三次領土拡大遠征凱旋記念 国王生誕祭 performed on June 26th and June 27th of 2009. Both were performed at NHK HALL. This marks a major shift in Sound Horizon, as it has five different releases; Two DVDs, two Blurays, and one box set. The COMPLETE DVD BOX contains special footage not available on the other releases. This live was an add-on to The Third Territorial Expansion, 第三次領土拡大遠征, which has another live tour, Sound Horizon Live Tour 2009 – 第三次領土拡大遠征 – performed from March to May of 2009.