2004年发行EP专辑出道。2009年6月发行第二张专辑《Maestro》。
EP专辑-ComeOutside发行时间：2004-01-06曲风：POP曲目：01.ComeOutsider02.편지03.운수좋은날04.InTheNight05.다시나를사랑하기를06.Since198307.OnlyTheMicrophone08.너에게09.Skit10.LifeGoesOnVol.1-Soliloquistoutsider01.Show02.Innovation03.OneWay04.Mr.Liar05.남자답게【像个男人】06.나락에핀꽃【地狱里开的花】07.쩐08.우리형【我的兄长】09.사랑할수있을까?【可以爱吗？】10.HyperSoar11.Catharsis12.연인과의거리【和恋人的距离】13.PerfectLove14.RememberTheName15.난행복해【我很幸福】Vol.2-Maestro01.VJ특공대【VJ突击队】02.ZeroToHero03.CityHunterMaestro04.청춘고백【青春自白】05.외톨이【孤家寡人】06.피에로의눈물【嗜血者的眼泪】07.Therapist08.BleedingLuv09.Skit10.불만증【不满症】11.LuvBusiness12.FaceOff13.ValueOfTheMan14.음악밖에없어【只有音乐】15.SpeedRacerVol.2.5TheOutsider01달빛의노래光之歌Outsider02주변인旁人OutsiderTheOutsider03피에로의눈물2皮耶罗的眼泪2Outsider06주변인旁人Outsider2010年사랑은전쟁이다feat.길미爱情是战争VOL.2-Maestro01.VJ特工队02.ZeroToHero03.CityHunterOutsider04.青春告白Outsideroutsider05.单身Outsider06.小丑的眼泪Outsider07.TherapistOutsider08.BleedingLuvOutsider09.SkitOutsider10.不满症Outsider11.LuvBusinessOutsider12.FaceOffOutsider13.ValueOfTheManOutsider14.只有音乐Outsider15.SpeedRacerVOL.3-주인공三辑《主人公》01.주인공【主人公】02.HitMe03.가면무도회04.GoGoSing05.이별할때필요한자세06.피에로의눈물307.소년이여08.Skit09.진짜10.S.O.B11.롤러코스터12.선물13.Everlasting14.세상밖으로의항해15.꿈의대화Vol.4-슬피우는새슬피우는새【SadlyCryingBird】【悲伤哭泣的鸟,悲鸣的鸟】연인과의거리2【与恋人的距离2】outsiderVol.5RebirthOutsiderByeUPrologue그리움을만지다Memoride엘도라도Epilogueoutsider