Iv

iv
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**iv** is the fourth studio album produced by Hiroyuki Sawano under the vocal project known as SawanoHiroyuki[nZk]. It features a variety of vocalists which had previously worked under the [nZk] Project and a line-up of guest vocalists.

Vocalists featured on this album include:

* AiNA THE END
* Anly
* ASCA
* Gemie
* Jean-Ken Johnny
* Laco
* mizuki
* naNami
* okazakitaiiku
* ReoNa
* Tielle
* Yosh
* Yuuri

A limited edition includes live performances of various songs, though the venue is not disclosed. The limited edition artwork is the same as the regular cover.

## Credits

### Live Staff

Stage Designer & Manager: TAMOTSU KEZUKA (K.S.Works)
Stage Manager: ITSUNARI TAKIO (Big Boat Spirit), KANA SUZUKI (Big Boat Spirit), KOTONE KEZUKA (K.S.Works)
Stage Carpenter: TAKU UMEMIYA (KUGAYAMA KOBO), TOMDAKI UMEHARA (KUGAYAMA KOBO), SHUICHI NAKANISHI (KUGAYAMA KOBO), HIDETOSHI FUJII (KUGAYAMA KOBO)
Equipment Technician: TAKASHI IWAUCHI, KAZUMA KOJIMA
House Sound Engineer: AKIO OKADA (KENNEK KNOCK)
Stage Sound Engineer : KENICHIRO NAGAYOSHI (KENNEK KNOCK)
Stage Sound Crew: MAIKO TAROMARU
Manipulator : JUNJI KATAYAMA
Lighting Designer: HIROAKI HASHIMOTO (Dragonfly)
Lighting Engineer: KENJI SUZUKI (Lupo), YUKI HASEGAWA (PC LIGHTS), HANA FUJIMORI (PC LIGHTS), MIHO TAKADA, HARUKA KASHIWAGI (Lupo), KANA MATSUZAKA, MAKOTO AKAHORI
Transport: KAZUHIRO HAGIYA (SUNPLANT), NORIYUKI MIYAGI (SUNPLANT)
Hair & Make up: FUMI SAWADA, NAOKO WASHIZUKA, HARUKA ISHIDA

### Video Staff

Director: SATOSHI TSUKAMOTO (TAKIBI FILMS Inc.)
Switcher: KEI KIZUKA (REC co.,ltd)
Cameraman: RYUTA MIYOSHI (REC co.,ltd), KEI TSUKIMURA (REC co.,ltd), CHIHARU MARUYAMA (REC co.,ltd), RYO MATSUMOTO, KOICHI TSUKIMURA, TOMOYA YANATA, MINORU MORITA, RYOSUKE KAMOGAWA, NAOYUKI YANAGISHITA
Video Engineer: SATOSHI KOSUGE (SHIMIZU OCTO)
VTR: MASARU INAMI (SHIMIZU OCTO)
Camera Assistant: TSUBASA SHIOYA (REC co.,ltd), AKIRA OGAWA (REC co.,ltd), MASASHI SUEHIRO (REC co.,ltd), KOHEI HARA (REC co.,ltd), AMI ISOZAKI (REC co.,ltd), RENA KAMIMURA (REC co.,ltd)
GRIP: AKIRA KANEKO (Tokky's), KAZUKI TANABE (Tokky's), RIKA MATSUMORI
Sound Engineer: MITSUNORI AIZAWA (SIGN SOUND)
Sound Recording: YUJIRO SAITO, YUKIYA AOKI (SCI), ASUKA TSUJI (SCI), TOMOMASA HIDAKA (SCI), HIROMI OSUGI (SCI)

A&R: TOMOYO YAMAZAKI (SACRA MUSIC), MOMOKO KUMASAKI (SACRA MUSIC)

A&R Desk: HARUMI OHMORI (SACRA MUSIC)

Art Direction & Design: RYOTARO KAWASHIMA
Photographer: TAICHI NISHIMAKI
Hair & Make-Up: JUNKO FUKUDA (Netstation)
Stylist: ATSUSHI TANABE

Sales Promotion: YUKIHIRO SATO, HARUKA ISHIYAMA (Sony Music Marketing)
Digital Promotion: FUMITO TOMIZAWA (Sony Music Marketing)

Products Coordination: KAZUYO TAKEUCHI (Sony Music Solutions)

Promotion Executive Producer: KAZUHIRO HIRAO (Sony Music Labels)
Promotion Producer: SHINJIRO OZAWA (Sony Music Labels)
Media Promotion: TSUYOSHI KOBAYASHI, YUTA SUZUKI, CHIKA OSUDA, SATOMI INOUE, KEI KITAMURA, NAOMI KURODA, YUKI WAKABAYASHI, YUKIKO SUNAGA, AKIHIKO FUNAYAMA, SHIHO OGAWA, HIDEAKI TAKAHASHI (Sony Music Labels)
Area Promotion: SATOSHI IDE, TOMOYA SUZUKI, YUKI MATSUO, SAKI TAKASHIMA, SHURI TOKUYAMA, NOZOMI TAKAHAMA, REIKO TANIMOTO (Sony Music Labels)
Promotion Desk: ASAMI OHTSUKA, EMI KAWARASAKI (Sony Music Labels)
Products Support: SHINSUKE IRIHI, TATSUYA YOSHIDA, KAHO KOIKE (Sony Music Labels)

Supervisors: YOSHICHIKA MATSUMOTO (Sony Music Labels), KEIICHI TONOMURA (SACARA MUSIC)

Artist Management: VV-ALKLINE Inc.

Executive Producer: MANABU TSUJINO (Sony Music Labels)