| masterpiece | |
| Cover: | Masterpiece(mamikawada).jpg |
| Type: | single |
| Artist: | Mami Kawada |
| Album: | Linkage |
| B-Side: | jellyfish |
| Released: | February 4, 2009 |
| Genre: | J-Pop |
| Length: | 18:04 |
| Label: | Geneon |
| Producer: | I've Sound |
| Prev Title: | PSI-Missing |
| Prev Year: | 2008 |
| Next Title: | L'Oiseau bleu |
| Next Year: | 2009 |
"masterpiece" is the seventh single released by the J-pop singer, Mami Kawada, 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 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.
The coupling song jellyfish was used as an insert song on the twenty-third episode of A Certain Magical Index making this Kawada's 4th tie-in with the said anime series.
The single will come in a limited CD+DVD edition (GNCV-0013)[1] and a regular edition (GNCV-0014). The DVD will contain the Promotional Video for masterpiece.
Lyrics: Mami Kawada
Composition/Arrangement: Maiko Iuchi[2]
Lyrics: Mami Kawada
Composition: Tomoyuki Nakazawa
Arrangement: Tomoyuki Nakazawa, Takeshi Ozaki
It peak ranked 12th on the weekly Oricon singles chart and remained on the chart for nine weeks.[3]