In 2007, Square Enix released the "Final Fantasy XI Original Soundtrack Premium Box", a collection of all of the previously released albums, as well as the as yet unreleased "Final Fantasy XI Unreleased Tracks" and "Piano Collections Final Fantasy XI", an album of unreleased music from the game and its expansions and an album of piano arrangements of music from the game, respectively. After the release of the fourth expansion for the game, "Final Fantasy XI Wings of the Goddess Original Soundtrack" was released in 2008 by Square Enix. Additionally, in summer 2008 another "Piano Collections Final Fantasy XI" album, completely separate from the previous piano collections album, will be released by Square Enix.