Dumb & Dumber (song)

"Dumb & Dumber" is the first Japanese song by South Korean boy group iKon. The debut single was released by YGEX on September 28, 2016. The debut single has three B-side songs, "#WYD" and "Sinosijak (Remix)" with a new song "Love Me".^[1]

"Dumb & Dumber"
Single by iKon
B-side	"#WYD" "Love Me" "Sinosijak (Remix)"
Released	September 28, 2016 (2016-09-28)
Recorded	2015–16
Genre	J-pop, dance-pop
Length	28:14
Label	YGEX
Producer(s)	B.I

Commercial performance

The song debuted at number one on Japan's official chart Oricon Singles Chart with 48,749 physical copies sold in the first week,^[2] while on Billboard Japan, the song debuted also at number one on Japan Hot 100 and Hot Single Sales with total 114,653 on the first week.^[3]

In Oricon singles year end chart, the song charted in No.93 selling 60,887.^{[citation needed]}

Track listings and formats

No.	Title	Music	Length
1.	"Dumb & Dumber"	Future Bounce, B.I	4:01
2.	"#WYD"	Choice37, Kush	3:31
3.	"Love Me"	Choice37, Kush, B.I, Koo Jun-hoe	3:28
4.	"Sinosijak" (Remix)	B.I, Kang Uk-jin, Ham Seung-chun	3:06
Total length:			28:14

Charts

Chart (2015)	Peak position
Japanese Billboard Japan Hot 100[4]	1
Japanese Billboard Japan Top Singles Sales[5]	1
Japanese Oricon Weekly Singles Chart[2]	1

Certifications

Region	Certification	Certified units/sales
Japan (RIAJ)[6]	Gold	100,000^
^ Shipments figures based on certification alone.

Release history

Country	Release date	Format	Label	Ref.
Japan	September 28, 2016	Digital download, CD, DVD	YG Entertainment YGEX	[7]