I searched and surprisingly found no thread about them
So here is the first thread about the Brown Eyed Girls

BROWN EYED GIRLS (브라운아이드걸스)
Brown Eyed Girls (브라운아이드걸스) or B.E.G. is a South Korean vocal girl group. It consist of four members, Jea (Kim Hyo Jin), Gain, (Son Gain), Narsha (Park Hyo Jin) and Miryo (Cho Mihyea). The music group is signed to Seoul Records and debuted in 2006. They did their big break in 2008 with their mini album With Love.
Members
Hyojin Kim 제아 (Jea) 김효진 / September 18, 1983 (age 25) / Main Vocals
Gain Son 가인 (Gain) 손가인 / September 20, 1987 (age 21) / Main Vocals
Hyojin Park 나르샤 (Narsha) 박효진 / December 28, 1983 (age 25) / Main Vocals
Mi Hyea Cho 미료 (Miryo) 조미혜 / November 2, 1983 (age 25) / Rapper
Discography
Your Story [09.03.06]
내가 여름이다 [21.06.07]
떠나라 미스김 [06.09.07]
With Love [17.01.08]
My Style [18.09.08]
Sound G [20.07.09]
Latest Release
Sound G
Tracklist:
DISC01.
01. Glam Girl
02. Abracadabra
03. 중독
04. Candy Man
05. Moody Night
06. 이상한 일
07. 못 가
08. 여자가 있어도
09. 잘할게요
10. Abracadabra [Instrumental]
11. Candy Man [Instrumental]
12. 잘할게요 [Instrumental]
DISC02.
01. DJ Cloud Translates L.O.V.E - (Cloud Remix)
02. Haihm Translates SECOND - (Haihm Rebuild)
03. East4a Translates YOU - (East4a Soulsome Mix)
04. Hitchhiker Translates 어쩌다 - (Hitchhiker(Jinu) Dynamic Mix)
05. Saintbinary Translates HOLD THE LINE - (Saintbinary Sweet Purple Remix)
06. Junjaman Translates MY STYLE - (Junjaman Wet Dream Remix)
07. Fraktal Translates OASIS - (Fraktal Desert Is Land Mix)
*in bold = singles
Abracadabra MV
Come Back Performance / Candy Man
Come Back Performance / Abracadabra
sources: jpopasia, wikipedia, last.fm
let's discuss about B.E.G.