Mach (song)

"Mach" is a song by South Korean girl group Rainbow. The song was released on October 20, 2010, and was later included on their second mini album So Girls. The song is also the group's second Japanese single. It was released on December 7, 2011^[1] in 4 different versions: 3 limited editions (CD+DVD, CD + 28-pages photobook and CD Only + Bonus track) and a regular edition.

"Mach"
Digital cover
Single by Rainbow
Released	October 20, 2010 (2010-10-20)
Recorded	2010
Genre	Dance-pop K-pop
Length	3:11
Label	DSP Media
Songwriter(s)	Song Soo Yoon Han Jae Ho Kim Seung Soo
Rainbow singles chronology
"A" (2010) "Mach" (2010) "To Me" (2011)

Korean version

Background

A teaser photo with the concept of the song was released in October 18.^[2] The song was released to follow up the promotions of the song "A". This version does not have a music video.

Track listing

All music is composed by Han Jae Ho and Kim Seung Soo.

Korean digital single:^[3]

No.	Title	Lyrics	Music	Length
1.	"Mach" (마하; Maha)	Song Soo Yoon	Han Jae-Ho, Kim Seung Soo	3:11
2.	"Mach" (Instrumental)		Han Jae-Ho, Kim Seung Soo	3:11
Total length:				6:22

Composition

The song was produced by Sweetune (Han Jae Ho and Kim Seung Soo) and written by Song Soo Yun, who also produced their previous single "A".

Chart performance

South Korea

The song debuted at number 38 in the first week and climbed to the number 19 on the following week, which is currently the highest peak of the song. The song ranked at number 193 on Gaon's Yearly chart with 216,200,537 points and with 925,573 digital copies sold.

Charts

Korean version

Chart (2010)	Peak position
Gaon Weekly singles[4]	19
Gaon Monthly singles[4]	26
Gaon Yearly singles[4]	193

Japanese version

"Mach (マッハ)"
Regular edition cover
Single by Rainbow
from the album Over the Rainbow
B-side	"Not Your Girl" "Mach" (Korean)
Released	December 7, 2011 (2011-12-07)
Recorded	2011
Genre	Dance-pop
Length	3:12
Label	Universal Sigma
Songwriter(s)	Song Soo-yun Han Jae Ho Kim Seung Soo Natsumi Watanabe Yu Shimoji NICE73 Han Jae Ho Kim Seung Soo
Rainbow singles chronology
"A" (2011) "Mach (マッハ)" (2011) "Hoi Hoi" (2012)

The Japanese version follows the same concept of the Korean version. A teaser of the music video was released on November 15, 2011, on Universal Music Japan's YouTube account.^[5] The full music video premiered on November 21 on the TV station Space Shower TV.

Composition

the lyricist of Japanese version : Natsumi Watanabe, Yu Shimoji and NICE73. The B-side is a Japanese version of the song "Not Your Girl", previously released in Korean, on their debut EP Gossip Girl.

Chart performance

Japan

The physical single debuted at the number 9 on Oricon's weekly chart with 15,506 copies sold in the first week.^[6]

Track listing

Japanese single:^[7]

No.	Title	Lyrics	Music	Length
1.	"Mach" (マッハ; Maha)	Song Soo-yun, Han Jae Ho, Kim Seung Soo, Natsumi Watanabe, Yu Shimoji, NICE73	Han Jae Ho, Kim Seung Soo	3:11
2.	"Not Your Girl" (ノット ユア ガール; Notto Yua Gāru)	Han Sang Won, Shihomi, NICE73	Han Sang Won	3:27
3.	"Mach" (Instrumental)		Han Jae Ho, Kim Seung Soo	3:12
Total length:				9:50

Type C - Bonus track^[1]

No.	Title	Lyrics	Music	Length
4.	"Mach" (Korean version)	Song Soo Yoon	Han Jae Ho, Kim Seung Soo	3:11
Total length:				13:01

DVD (Limited Edition - Type A)^[8]

No.	Title	Length
1.	"Mach" (Music video)
2.	"Mach" (Music video - Dance version)
3.	"Mach" (Music video - Behind the scenes)

Charts

Oricon

Released	Oricon Chart	Peak	Debut sales	Sales total
December 7, 2011	Daily Singles Chart	7	15,506	21,984
	Weekly Singles Chart[6]	9
	Monthly Singles Chart	39

Other charts

Chart	Peak position
Billboard Japan Hot 100	15
RIAJ Digital Track Chart weekly top 100[9]	69

Release history

Country	Date	Format	Label
South Korea	October 20, 2010	Digital download, Promotional single	DSP Media
Japan	December 7, 2011[7]	CD single, Digital download	Universal Sigma

External links

• "Mach" (Japanese) Music Video teaser on YouTube