as singles on 21 October 2005 under the Victor Entertainment label, and peak ranked 25th and 40th on the Oricon singles chart, respectively. The opening theme single performed by Yui Makino included "Undine" and "Symphony" in both vocal and instrumental versions, with lyrics written by Eri Kawai and Rieko Itou, respectively. The ending theme single performed by Round Table feat. Nino included "Rainbow" and "Just for You" in both vocal and instrumental versions, with lyrics written by Katsutoshi Kitagawa and Rieko Itou, respectively. The soundtrack for the first season, Aria the Animation Original Soundtrack, was released under Victor Entertainment label on 23 November 2005 and peak ranked 102nd on the Oricon albums chart. Choro Club feat. Takeshi Senoo performed all the tracks except #2, #9, and #25, which were performed by Yui Makino, Eri Kawai, and Round Table, respectively. The two singles and the albums were re-released on 22 July 2009 by Victor Entertainment. Aria the Natural singles and album The opening and closing themes of the second anime season, Aria the Natural, were both released as singles on 26 April 2006 under the Victor Entertainment label, and peak ranked 18th and 23rd on the Oricon singles chart, respectively. The opening theme single performed by Yui Makino included "Euforia" and "Amefuri Hana" in both vocal and instrumental versions, with lyrics written by Eri Kawai and Yui Makino, respectively. The ending theme single performed by Round Table feat. Nino included "Natsu Machi" and "Shiosai" in both vocal and instrumental versions, with lyrics written by Katsutoshi Kitagawa and Rieko Itou, respectively. The soundtrack for the second season, Aria the Natural Original Soundtrack: Due, was released under the Victor Entertainment label on 24 May 2006, and peak ranked 48th on the Oricon albums chart. Choro Club feat. Takeshi Senoo performed all of the tracks except #2, #13, and #24, which were performed by Yui Makino, Eri Kawai, and Round Table, respectively. "Due" is Italian for "two." The two singles and the albums were re-released on 22 July 2009 by Victor Entertainment. Aria Piano Collection: Stagione An album of piano music titled Aria Piano Collection: Stagione label was released on 2 August 2006 under the Victor Entertainment label, and peak ranked 115th on the Oricon albums chart. It had piano versions of music from the first two seasons of Aria, with a focus on different seasons of a year on Aqua, performed by Takeshi