Platinum 9 DISC

Platinum 9 DISC is Morning Musume's ninth, released approximately two years after their previous album, Sexy 8 Beat. It was released on March 18, 2009 in both limited (EPCE-5629) and regular (EPCE-5631) editions. The limited edition comes with a bonus DVD

Track Listings

 * 1) "SONGS"
 * 2) "Resonant Blue"
 * 3) "Ame no Furanai Hoshi dewa Aisenai Darō?"
 * 4) "Take off is now!"
 * 5) *Performed by Ai Takahashi, Risa Niigaki, and Reina Tanaka
 * 6) "Naichau Kamo"
 * 7) "Watashi no Miryoku ni Kizukanai Donkan na Hito"
 * 8) *Performed by Aika Mitsui
 * 9) Guruguru JUMP"
 * 10) *Performed by Koharu Kusumi, Junjun, and Linlin
 * 11) "Mikan"
 * 12) "Jōnetsu no Kisu o Hitotsu"
 * 13) *Performed by Ai Takahashi, Risa Niigaki, and Reina Tanaka
 * 14) It's You"
 * 15) *Performed by Sayumi Michishige
 * 16) "Onna ni Sachi Are"
 * 17) "Kataomoi no Owari ni"
 * 18) *Performed by Eri Kamei
 * 19) "Kanashimi Twilight"

Limited edition DVD

 * 1) "Naichau Kamo (featuring Ai Takahashi Ver.)"
 * 2) "Naichau Kamo (featuring Risa Niigaki Ver.)"
 * 3) "Naichau Kamo (featuring Eri Kamei Ver.)"
 * 4) "Naichau Kamo (featuring Sayumi Michishige Ver.)"
 * 5) "Naichau Kamo (featuring Reina Tanaka Ver.)"
 * 6) "Naichau Kamo (featuring Koharu Kusumi Ver.)"
 * 7) "Naichau Kamo (featuring Aika Mitsui Ver.)"
 * 8) "Naichau Kamo (featuring Junjun Ver.)"
 * 9) "Naichau Kamo (featuring Linlin Ver.)
 * 10) "Naichau Kamo (from "Hello! Project 2009 Winter Wonderful Hearts Kōen ~Kakumei Gannen~")"
 * 11) "Renai Revolution 21 (from "Hello! Project 2009 Winter Wonderful Hearts Kōen ~Kakumei Gannen~")"

Feartured lineup

 * 5th generation: Ai Takahashi, Risa Niigaki
 * 6th generation: Eri Kamei, Sayumi Michishige, Reina Tanaka
 * 7th generation: Koharu Kusumi
 * 8th generation: Aika Mitsui, Junjun, Linlin

Musical personnel

 * Lyrics, Composition: Tsunku
 * Arrangement: Nao Tanaka (tracks 1, 4, 10), Hideyuki "Daichi" Suzuki (2, 8, 9), Koichi Yuasa (3, 6), Kaoru Okubo (5, 7), Kōtarō Egami (11, 12), Jun Yamazaki (13)
 * Tenor Saxophone: Yoshinari Takejō (2)
 * Saxophone: Akio Suzuki (11)
 * Guitar: Koji Kamata (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
 * Chorus: Chino (2, 3, 5, 11), Hiroaki Takeuchi (3), Atsuko Inaba (12)

Oricon ranks and sales
Total reported sales: 19,143 (As of April 19, 2009)