Track listing "Why, or Why Not" – 5:41 Lyrics: interface Music/Arrange: Hiroyuki Oshima Sung by: Rekka Katakiri – 5:30 "Why, or Why Not" Instrumental – 5:41 – 5:30 Naraku no Hana is the opening theme single to the anime Higurashi no Naku Koro ni Kai. The single was released on August 22, 2007, and is sung by Eiko Shimamiya. Track listing "FLOW" "FLOW" (off vocal) Taishō a is the ending theme single to the anime Higurashi no Naku Koro ni Kai. The single was released on August 22, 2007, and is sung by anNina. Track listing Original soundtracks Higurashi no Naku Koro ni Volume 1 Higurashi no Naku Koro ni Original Soundtrack is the first official soundtrack released for the series on July 21, 2006. Track listing "Why, or Why Not" ~TV Version~ Volume 2 Higurashi no Naku Koro ni Original Soundtrack Vol. 2 is the second official soundtrack released for the series on October 6, 2006. Track listing Higurashi no Naku Koro ni Kai Volume 1 Higurashi no Naku Koro ni Kai Original Soundtrack Vol. 1 is the third official soundtrack, released for the series on December 12, 2007. Track listing Volume 2 Higurashi no Naku Koro ni Kai Original Soundtrack Vol. 2 is the fourth official soundtrack, released for the series on January 30, 2008. Track listing Image album The was first released on September 27, 2006. Track listing Composition: Tenmon "my home" Vocals: "M・A・T・S・U・R・I-Meet Your Match！" Vocals: "when they cry" Vocals: Composition: zts "hymn" Composition: onoken Vocals: "samsara" Vocals: "you –Visionen im Spiegel" Vocals: Composition: Tenmon Character CDs Volume 1 was released on March 28, 2007. The tracks on the album were sung by three of the voice actors from the anime adaptation: Soichiro Hoshi (as Keiichi Maebara), Mai Nakahara (as Rena Ryugu), and Chafurin (as Kuraudo Oishi). Track listing Volume 2 was released on April 25, 2007. The tracks on the album were sung by Satsuki Yukino, who played both Mion and Shion Sonozaki in the anime. Track listing Volume 3 was released on July 25, 2007. The tracks on the album were sung by two of the voice actresses from the anime adaptation: Yukari Tamura (as Rika Furude) and Mika Kanai (as Satoko Hojo). Track listing Character case books Volume 1 was released on December 29, 2007. The tracks on the album were sung by two of the voice actresses from the anime adaptation: Yukari