| Sound Director / Sound Director | Takahiro Nishi / 西隆宏 |
| Composer / Composer | Noriyuki Iwadare / 岩垂徳行 |
| Acoustic Piano / Acoustic Piano | Haruki Mino / 美野春樹 |
| Flute / Flute | Takashi Asahi / 旭孝 |
| Violin / Violin | Reiko Tsuchiya / 土屋玲子, Bungo Fujiwara / 藤原文吾 (Two Five) |
| Trumpet / Trumpet | Toru Hirabayashi / 平林徹 |
| Electric Guitar / Electric Guitar | Makoto Asai / 浅井真 |
| Acoustic Guitar / Acoustic Guitar | Makoto Asai / 浅井真 |
| Vocal / Vocal | Kaori Kawasumi / 川澄歌織 |
| Chorus / Chorus | Masaki Tanimoto, Masanori Takayama / 高山真徳, Ayumi Iwata / 岩田歩, Akane Kaneko / 兼子あかね, Saori Mita / 三田小織 (Two Five) |
| Recording Engineer / Recording Engineer | Atsushi Kobayashi / 小林敦 (Sound Inn Mixer's Crew) |
| Mixing Engineer / Mixing Engineer | Atsushi Kobayashi / 小林敦 (Sound Inn Mixer's Crew) |
| Manipulator / Manipulator | Teruo Konishi / 小西輝男 (Griot) |
| Musician Coordinator / Musician Coordinator | Youji Sugiyama |
| Sound Producer / Sound Producer | Hiroshi Horiguchi / 堀口比呂志 (Two Five) |
| Sound Designer / Sound Designer | Kenichi Kunishima / 國島憲一, Isao Machida |
| Sound System Programmer / Sound System Programmer | Ari Kamijoh |
| Sound / Sound | Takahiro Nishi / 西隆宏, Isao Machida |
| Sound Engineer / Sound Engineer | Masahiko Hagio / 萩尾雅彦 (Polygon Magic) |
Twelve Doors: Tribute To Noriyuki Iwadare WAYO-V006 Arrangement
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