is the sixteenth single of

J-pop J-pop ( ja, ジェイポップ, ''jeipoppu''; often stylized as J-POP; an abbreviated form of "Japanese popular music"), natively also known simply as , is the name for a form of popular music that entered the musical mainstream of Japan in the ...

idol group

Morning Musume , formerly simply and colloquially referred to as , are a Japanese girl group, holding the second highest overall single sales (of a female group) on the Oricon, Oricon charts as of February 2012, with the Oricon record of most top ten singles ...

and was released October 30, 2002 under Zetima Records with the catalog number EPCE-5182.

Track listing

# – 4:28 #* Lyrics and composition by

Tsunku , known professionally as , is a Japanese singer, record producer, and songwriter. He is the lead singer of the rock band Sharam Q. As a songwriter, Tsunku is the primary producer for Morning Musume and other Hello! Project acts, such as Coco ...

; Arrangement by . # – 4:40 #* Lyrics and composition by Tsunku; Arrangement by . # "Koko ni Iruzee!" (Instrumental) – 4:26

Personnel

* 1st generation:

Kaori Iida is a Japanese pop singer and actress, associated with Hello! Project and best known as a founding member of the girl band Morning Musume. She has also recorded with the Morning Musume side project band Tanpopo and is currently a solo artist. ...

Natsumi Abe is a Japanese singer and actress, a former member of Morning Musume, and currently a member of Dream Morning Musume. Biography Career She was born in Muroran, Hokkaidō, Japan. On August 13, 2003, she released her first single, "22 Sai no Wat ...

* 2nd generation:

Kei Yasuda is a Japanese singer, musician and actress under the Hello! Project. She was a member and co-leader of the Japanese girl group Morning Musume. Yasuda, along with Mari Yaguchi and Sayaka Ichii, were the second generation of singers to be recru ...

Mari Yaguchi is a Japanese singer, actress, and television personality. She joined the girl group Morning Musume in 1998 as a second generation member and was the leader of subgroups within Hello! Project, such as Mini-Moni, Morning Musume Sakuragumi, and ZY ...

* 4th generation:

Rika Ishikawa , is a Japanese actress and model associated with Hello! Project and best known as a former member of the pop group Morning Musume. She was the leader of the Japanese pop idol trio v-u-den until June 2008. She has performed as a solo singer, as ...

Hitomi Yoshizawa is a Japanese former singer and actress. In 2000, Yoshizawa debuted as a 4th generation member of the idol girl group Morning Musume and became their leader in 2005 until leaving the group in 2007. Following her departure, Yoshizawa continued to ...

Nozomi Tsuji , known professionally by her birth name (born June 17, 1987) is a Japanese media personality, singer, and blogger. In 2000, she began her career as a singer for Japanese girl band Morning Musume. Tsuji later found success with related groups ...

Ai Kago is a Japanese actress and former singer. In 2000, Kago debuted as a 4th generation member of the idol girl group Morning Musume. During her time in the group, she was also part of Mini-Moni and other Hello! Project sub-groups. In 2004, Kago de ...

* 5th generation:

Ai Takahashi (born September 14, 1986) is a Japanese singer and actress formerly associated with the Hello! Project and is best known as the leader of Morning Musume and Hello! Project until 2011. She is also a former member of its popular subgroup Mini Mon ...

Asami Konno , known by her birth name is a Japanese television presenter and former singer and actress. She debuted in August 2001 with the girl group Morning Musume and participated in musical projects within Hello! Project. After leaving the group on Ma ...

Makoto Ogawa is a Japanese singer and actress, best known as a former member of Japanese girl group Morning Musume. She joined the group in August 2001 along with fellow fifth generation members Ai Takahashi, Risa Niigaki, and Asami Konno. On March 31, 2 ...

Risa Niigaki is a Japanese actress and singer. She was a fifth-generation member of the Japanese pop group Morning Musume. She joined Morning Musume in 2001 along with 3 others- Ai Takahashi, Asami Konno and Makoto Ogawa. She grew up in Yokohama after movin ...

Musicians

Aside from Morning Musume, the following personnel also took part in track 1 ("Koko ni Iruzee!") as background vocals. * Morning Musume – lead vocals, background vocals (track 1), and chorus (track 2) *

– composer, and chorus (track 1) * Hideyuki "Daichi" Suzuku – programming, and guitar (track 1) * Kōichi Takahashi – programming, and guitar (track 2) * Masayuki Muraishi – drums (track 1) * Takeshi Taneda – bass (track 1 and 2) * Gen Ittetsu Strings – strings (track 1) * Naoki Hirata (The Thrill) – trumpet (track 1) * Akihito Masui – trombone (track 1) * Yukarie (The Thrill) – saxophone (track 1)

Charts

Cover versions

Tsunku version

Two years after the release of the single, Morning Musume producer Tsunku covered the song along with " Mr. Moonlight: Ai no Big Band" (another Morning Musume song) and is featured in his album '' Take 1''.

Nozomi Tsuji version

Former

member

released her own rendition of the song on May 16, 2007 as the opening theme of the

anime is hand-drawn and computer-generated animation originating from Japan. Outside of Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, in Japan and in Japanese, (a term derived from a shortening of ...

''Robby and Kerobby'' and as her debut single under the same label of the original version. Though the main track is "Koko ni Iruzee!", the coupling track is different and is named "Happy My Friend."

Track listing

# #* Lyrics and composition by

; Arrangement by . # "Happy My Friend" #* Lyrics and composition by Tsunku; Arrangement by Akira. # "Koko ni Iruzee! (Instrumental)"

References

External links

* Hello! Project official website
Koko ni Iruzee! (Morning Musume version)
{{authority control Morning Musume songs Zetima Records singles 2002 singles Oricon Weekly number-one singles Songs written by Tsunku Song recordings produced by Tsunku Japanese-language songs 2002 songs