The 2008 single "Sprinter/ARIA" showcases Kalafina's signature blend of soaring vocals and sophisticated electronic production, establishing their unique sound in the J-pop landscape. These tracks also served as opening and ending themes for the second Kara no Kyoukai film.
- "Sprinter" was the opening theme for the second Kara no Kyoukai film, "Mirai Futan," while "ARIA" served as its ending theme. The single reached number 10 on the Oricon weekly charts. This was Kalafina's third single release.
- The single was released on Sony Music Labels Inc. on July 30, 2008. Both tracks were produced by Yuki Kajiura. The group consisted of vocalists Keiko Kubota, Wakana Ōtaki, and Hikaru Masai.
- "Sprinter" is characterized by its dramatic orchestral arrangements and driving beat, contrasting with the more melancholic and atmospheric "ARIA." The single demonstrated the group's versatility and ability to deliver emotionally resonant songs for visual media.
Kalafina was a Japanese vocal group formed in 2007 by producer Yuki Kajiura, initially to provide vocals for the anime movie Kara no Kyoukai. They were known for their ethereal soundscapes and intricate vocal arrangements, often blending pop, electronic, and classical elements. In 2008, their career was still in its early stages, marked by a series of singles and the release of their debut album later that year.
Tracklist
