Yokoku

"Yokoku" (予告（よこく）, lit. "Notice") is a song recorded by Japanese singer-songwriter Aiko. It was released as a single by Pony Canyon on November 29, 2017.[1] The song premiered on the JOLF radio program Takashi Okamura's All Night Nippon on November 2, 2017.[2] The song, written and composed by Aiko, is arranged by Oster, who is credited under the solo unit name Oster Project.[3] The first pressing of the CD single includes an eight-page booklet and alternative cover artwork.[4]

"Yokoku"
Single by Aiko
Released	November 29, 2017 (2017-11-29)
Genre	Pop
Length	3:58
Label	Pony Canyon
Songwriter(s)	Aiko
Producer(s)	Aiko
Aiko singles chronology
"Koi o Shita no wa" (2016) "Yokoku" (2017)
Audio sample
"Yokoku" file help

Background

"Yokoku" is Aiko's first single in over a year, since "Koi o Shita no wa" (2016).[4] Aiko wrote the song to cheer herself up, intending for it to serve as a sort of personal anthem.[5]

Chart performance

With 26,000 copies sold in its first week, "Yokoku" debuted at number 3 on the Oricon Singles Chart,[6] becoming her third consecutive single to do so. "Yokoku" also became Aiko's thirty-fourth single to rank in the top ten.[7] The single charted for seven weeks on the chart and sold a reported total of 31,000 copies.[8] The song also peaked within the top ten on Billboard Japan's Hot 100 on its fourth charting week, jumping eighty-four positions from number 88 to number 4.[9]

Track listing

All tracks are written by Aiko.

No.	Title	Arranger(s)	Length
1.	"Yokoku" (予告, "Notice")	Oster Project	3:58
2.	"Machigai Sagashi" (間違い探し, "Looking for Mistakes")	Oster Project	5:14
3.	"Tsuki ga Tokeru" (月が溶ける, "The Moon is Melting")	Kanō Kawashima	5:57
4.	"Yokoku" (Instrumental)	Oster Project	3:56
Total length:			19:06

Charts

Chart (2017)	Peak position
Japan Weekly Singles (Oricon)[10]	3
Japan Weekly Digital Singles (Oricon)[11]	14
Japan Hot 100 (Billboard)[9]	4
Japan Download Songs (Billboard)[12]	18
Japan Top Singles Sales (Billboard)[13]	4

Sales

Region	Certification	Certified units/sales
Japan (RIAJ)		31,000[8]
Japan (RIAJ)		5,000 (digital)[11]
Summaries
Japan	—	38,000[8][11]
^*sales figures based on certification alone ^^shipments figures based on certification alone

References

1. "aikoの2つの表情切り取ったニューシングル「予告」ジャケット". Natalie. November 13, 2017. Retrieved February 19, 2018.
2. "aiko、新曲「予告」が今夜2日の『岡村隆史のANN』で初オンエア". Barks. November 2, 2017. Retrieved February 19, 2018.
3. "aiko、1年2ヶ月ぶりニューシングル「予告」11/29にリリース". Barks. October 29, 2017. Retrieved February 19, 2018.
4. "aiko、1年2カ月ぶりニューシングル「予告」リリース". Natalie. October 29, 2017. Retrieved February 19, 2018.
5. "aiko、「予告」にこめた思いを語る「自分にとっての道しるべになるような曲を作りたいなって」". Barks. November 7, 2017. Retrieved February 19, 2018.
6. "【周榜单】2017/12/11付". Retrieved February 19, 2018.
7. "aiko、「予告」フルMVをGYAO!で期間限定配信へ". Barks. December 5, 2017. Retrieved February 19, 2018.
8. "オリコンランキング情報サービス「you大樹」" [Oricon Ranking Information Service 'You Taiju']. Oricon. Retrieved February 19, 2018.
9. "Billboard Japan Hot 100". Billboard. Retrieved February 19, 2018.
10. "予告 aiko". Oricon. Retrieved February 19, 2018.
11. "【配信周榜单】2017/12/25付". Retrieved February 19, 2018.
12. "Billboard Japan Download Songs". Billboard. Retrieved February 19, 2018.
13. "Billboard Japan Top Singles Sales". Billboard. Retrieved February 19, 2018.