O1 (Hiroyuki Sawano album)

o1 is the first studio album by Hiroyuki Sawano's vocal project SawanoHiroyuki[nZk]. It was released on September 9, 2015 on SME Records. o1 was preceded by the singles "A/Z", "aLIEz", "&Z", "X.U." and "scaPEGoat".

The album charted #7 daily rank for first week. It charted so far 11 weeks in the Oricon charts.

Background
"A/Z" was used in the anime television series "Aldnoah.Zero" as the first ending theme, while "aLIEz" was used as the second ending theme. "&Z" was used in Aldnoah Zero's second season as the opening theme.

"X.U." was used as the opening theme for the anime television series "Seraph of the End", while "scaPEGoat" was used as the ending theme.

Credits
Adapted from Booklet. Production
 * Hiroyuki Sawano – arranger, producer, programming
 * Yasushi Horiguchi – director, executive producer
 * Daisuke Katsurada – executive producer
 * Mitsunori Aizawa – recording, mixing engineer & Pro Tools operator
 * Sho Suzuki – assistant engineer
 * Seiya Kawagoe – assistant engineer
 * Eriko Ijima – assistant engineer
 * Sora Tamiya – assistant engineer
 * Yuji Chinone – mastering
 * Giottographica – art direction & design
 * Michito Goto – photographer
 * Aya Murakami – hair & make-up
 * Tatsuhiko Marumoto – styling
 * Yuko Mori – products coordination
 * Toru Takeuchi – a&r
 * Takeshi Tomaru – a&r
 * Harumi Okuma – a&r assistant
 * SME Records Promotion Room – media promotion
 * Yu Tsuzuki – sales promotion
 * Mitsuki Hirabayashi – digital promotion
 * Keiichi Tonomura – supervise

Management Staff

Hiroyuki Sawano: Aimer: Yosh (Survive Said the Prophet): mizuki: Instruments
 * Akiko Shimodoi
 * Hajime Sakai
 * Yasuhisa Ichikawa
 * Mami Fujino
 * Hayato Taguchi
 * Yoshiki Konno
 * Vocals
 * v[nZk]v – vocals (track 1)
 * Mica Caldito – vocals (tracks 2, 11)
 * Gemie – vocals (tracks 2,3, 8)
 * mizuki – vocals (tracks 4, 6, 9, 12)
 * Yosh Morita – vocals (tracks 5, 10)
 * Aimer – vocals (tracks 7, 13)
 * Hiroyuki Sawano – piano (#1-5, 7-14), keyboards (#1-6, 8-13), all other instruments (all tracks)
 * Yu "masshoi" Yamauchi – drums (tracks 1-5, 7-13)
 * Hiroshi Iimuro – guitar (tracks 1, 3, 5, 9, 10, 12)
 * Masayoshi Furukawa – guitar (tracks 3, 5)
 * Tetsuro Toyama – guitar (track 4)
 * Toshino Tanabe – bass (tracks 1-13)
 * Daisensei Muroya Strings – strings (tracks 7, 8)
 * Koichiro Muroya – violin (track 1)
 * Harutoshi Ito – cello (tracks 1, 7, 14), guitar (tracks 1, 2, 6, 7, 8, 11, 13)