Final Fantasy XIII: Original Soundtrack PLUS Catalog # Composers Arrangers Producers Publisher CD Info Length Release date Final Fantasy XIII: Original Soundtrack PLUS is an additional soundtrack for Final Fantasy XIII that was released in Japan on May 26, 2010. It contains new tracks made for the overseas release, prototype versions of tracks, tracks used in the trailers, and three tracks used in the game but not included on the original soundtrack. The music is composed by Masashi Hamauzu.