"masterpiece" is the seventh single released by the J-pop singer,

Mami Kawada is a former Japanese pop singer and lyricist who was signed to NBCUniversal Entertainment Japan and also a member of I've Sound, a musical group which produces soundtracks for ''eroge'' (erotic games) and anime. Born and raised in Sapporo, Ja ...

, and was released on February 4, 2009. The title track was used as the second opening theme for the anime series ''

A Certain Magical Index is a Japanese light novel series written by Kazuma Kamachi and illustrated by Kiyotaka Haimura, which has been published by ASCII Media Works under their Dengeki Bunko imprint since April 2004 in a total of three sepa ...

'' which is her third tie-in with the anime series. This is also Kawada's first single to be produced by a female composer/arranger of I've Sound, which is

Maiko Iuchi is a Japanese composer and arranger. Much of her work is for video games and anime. Biography Iuchi was born in Hiroshima. She learned piano and percussion from a young age. As a high school student, she performed as a drummer in various band ...

. The coupling song jellyfish was used as an insert song on the twenty-third episode of ''

'' making this Kawada's 4th tie-in with the said anime series. The single will come in a limited CD+DVD edition (GNCV-0013) and a regular edition (GNCV-0014). The DVD will contain the Promotional Video for masterpiece.

Track listing

#masterpiece—4:37 #:Lyrics: Mami Kawada #:Composition/Arrangement:

#jellyfish—4:26 #:Lyrics: Mami Kawada #:Composition: Tomoyuki Nakazawa #:Arrangement: Tomoyuki Nakazawa, Takeshi Ozaki #masterpiece (instrumental) -- 4:37 #jellyfish (instrumental) -- 4:24

Reception

It peak ranked 12th on the weekly

Oricon , established in 1999, is the holding company at the head of a Japanese corporate group that supplies statistics and information on music and the music industry in Japan and Western music. It started as, which was founded by Sōkō Koike in Nov ...

singles chart and remained on the chart for nine weeks.川田まみ-リリース-ORICON STYLE ミュージック
(in Japanese).

. Retrieved 21 November 2009.

References

A Certain Magical Index music 2009 singles 2009 songs Mami Kawada songs Anime songs Songs with lyrics by Mami Kawada Song recordings produced by I've Sound {{2000s-single-stub