There's more than one band/artist with this name. 1) LO is a Korean band playing a mix of hardcore, metal and rock. Something of a supergroup within the Korean scene, they consist of Ian Gallagher (bass/vocals; ex-Unroot), Shin Seung-Jae (guitar; Things We Say, Propeller21, No Excuse) and Ryu Myung-Hoon (drums; 49 Morphines, RUX, Firestorm, ex-Things We Say, etc). LO formed in 2008, and quickly signed to GMC Records who released the debut MCD 'Spring'. 2) A Japanese rock band.