Fukyōwaon

"Fukyōwaon" (不協和音; Discord) is the 4th single by Japanese idol girl group Keyakizaka46.^[1] It was released on 5 April 2017.^[2] It reached number-one on the weekly Oricon Singles Chart with 632,667 copies sold.^[3][4] It was also number-one on the Billboard Japan Hot 100.^[5] "Fukyōwaon" is a Japanese word that means "dissonance."^[6]

"Fukyōwaon"
Regular edition cover. Each version A, B, C, and D has separate cover artwork.
Single by Keyakizaka46
from the album Masshiro na Mono wa Yogoshitaku naru
A-side	"Fukyōwaon"
Released	5 April 2017 (2017-04-05)
Genre	J-pop
Label	Sony Music Records
Keyakizaka46 singles chronology
"Futari Saison" (2016) "Fukyōwaon" (2017) "Kaze ni Fukarete mo" (2017)
Music video
"Fukyōwaon" "Fukyōwaon" (Vevo) on YouTube

The center (choreography center) position in the title track is held by Yurina Hirate.^[7]

Track listing

Type A^[8]

No.	Title	Length
1.	"Fukyōwaon" (不協和音)	4:09
2.	"W-KEYAKIZAKAの詩"	5:08
3.	"微笑みが悲しい"	4:55
4.	"Fukyōwaon -off vocal version-" (不協和音 -off vocal version-)	4:09
5.	"W-KEYAKIZAKAの詩 -off vocal version-"	5:08
6.	"微笑みが悲しい -off vocal version-"	4:54

Type B^[9]

No.	Title	Length
1.	"Fukyōwaon" (不協和音)	4:09
2.	"W-KEYAKIZAKAの詩"	5:08
3.	"チューニング"	4:32
4.	"Fukyōwaon -off vocal version-" (不協和音 -off vocal version-)	4:09
5.	"W-KEYAKIZAKAの詩 -off vocal version-"	5:08
6.	"チューニング -off vocal version-"	4:30

Type C^[10]

No.	Title	Length
1.	"Fukyōwaon" (不協和音)	4:09
2.	"W-KEYAKIZAKAの詩"	5:08
3.	"割れたスマホ"	4:06
4.	"Fukyōwaon -off vocal version-" (不協和音 -off vocal version-)	4:09
5.	"W-KEYAKIZAKAの詩 -off vocal version-"	5:08
6.	"割れたスマホ -off vocal version-"	4:05

Type D^[11]

No.	Title	Length
1.	"Fukyōwaon" (不協和音)	4:09
2.	"W-KEYAKIZAKAの詩"	5:08
3.	"僕たちは付き合っている"	4:38
4.	"Fukyōwaon -off vocal version-" (不協和音 -off vocal version-)	4:09
5.	"W-KEYAKIZAKAの詩 -off vocal version-"	5:08
6.	"僕たちは付き合っている -off vocal version-"	4:37

Regular Edition^[12]

No.	Title	Length
1.	"Fukyōwaon" (不協和音)	4:09
2.	"W-KEYAKIZAKAの詩"	5:08
3.	"エキセントリック"	4:33
4.	"Fukyōwaon -off vocal version-" (不協和音 -off vocal version-)	4:09
5.	"W-KEYAKIZAKAの詩 -off vocal version-"	5:08
6.	"エキセントリック -off vocal version-"	4:31

Chart performance

Weekly

Oricon

Chart	Peak	Debut Sales	Sales Total
Weekly Singles Chart	1[2]	632,667[4]

Billboard Japan

Chart	Peak
Japan Hot 100	1[5]
Radio Songs	4[13]
Top Singles Sales	1[14]

Yearly

Billboard Japan

Chart (2017)	Peak
Japan Hot 100	4
Download Song	55
Steaming Song	28
Chart (2018)	Peak
Japan Hot 100	50
Download Song	92
Steaming Song	22