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. 3) Jason Lo is a Malaysian music artist, music producer, DJ, and media personality. He is sometimes known by the nicknames "LO" and "J Lo".