Battle is a Korean boy band that debuted on December 17, 2006 with the release of their first single "Crash". They are most popular for winning the reality show, Let's Coke Play! Battle Shinhwa! The group includes Ryu, Tae-hwa, Lio, Shin Ki-hyun, Chris, and Hwi-chan.
--Wikipedia
Members
Ryu - Rapper
Taehwa - Main vocalist
Lio - Rapper
Shin Kihyun - Rapper and vocalist
Chris - Vocal
Hwichan - Main Vocal
Battle debuted on December 17th 2006. It was formed by another Korean boyband, Shinhwa. The members of Battle were chosen by Shinhwa (one future battle member chosen by each current Shinhwa member) in the reality TV show "Let's Coke Play! Battle Shinhwa!".
Eric - Shin Ki Hyun
Dongwan - Kim Jang Hyun (to be replaced by Hwi Chan)
Andy - Ryu
Jun Jin - Lio
Mon Woo - Tae Hwa
Hye Sung - Chris
Battle has so far released three singles:
1) Crash (including the tracks, Crash [crazy love], Icarus, Flying up, and Icarus [instrumental ver.])
2) 말해 (Tell Me) (Including the tracks 말해 (Tell Me), Hey-yo, 고장난가슴 (broken heart), and 말해 [Instumental ver.])
3) Step By Step (Inlcuding the tracks Step by Step, Big Change [Feat. Deegie], and Luv U)
Note: It was initially planned that Battle release their first album after their 2nd Single, however (probably due to the departure of ex-member Shin Ki Hyun) the single "Step by Step" was released instead.