태완 'Problem' 작사 : Tae wan Kim, Josh Rose 작곡 : Tae wan Kim 편곡 : Tae wan Kim Produced by Tae wan a.k.a C-Luv Composed by Tae wan Kim Lyrics by Tae wan Kim, Josh Rose Arranged by Tae wan Kim Keyboard & Drums by Tae wan Kim Guitar by Soo Wan Jung Chorus by Tae wan Kim Recorded by 9999 at BRANDNEW MUSIC Studio Mixed by MasterKey at MasterPiece SoundLab Executive Produced by 라이머 a.k.a Mr. BIG Daddy for BRANDNEW MUSIC Produced by 태완 Promotion & Artist Management Director 남서우 Recorded by 9999 at BRANDNEW MUSIC Studio Mixed by 마스터키 at MasterPiece SoundLab Mastered by 마스터키 at MasterPiece SoundLab Administration Director 김형욱 Administration & Accounting 윤성혜, 김세민 Production Co-ordinator 마스터키, 원영헌, 동네형, 키겐, ASSBRASS, 리시, 9999, XEPY, 태완, DJ Juice Artist Management 김종환, 정민규, 이호진, 권용완, 김준배 Strategy Planning 정의봉 A&R 유영준, 한태희 Marketing & Online Promotion 이미희, 오정아 Fan Marketing 이미희, 오정아, 타카야마 나리사 Overseas Business 타카야마 나리사, 이화일 Art Direction & Design Lafic Style Director 이동연 Stylist Assistant 안재희, 전소은 Hair 라임 for 드엔, BLACK LIP (한주영, 윤혜정) Make Up BLACK LIP (한주영, 윤혜정), 메이크업팀 for 드엔 M/V & Video Art Directed by Sparklesign (RX-85) Presented by BRANDNEW MUSIC 01. Problem Produced by Tae wan a.k.a C-Luv Composed by Tae wan Kim Lyrics by Tae wan Kim, Josh Rose Arranged by Tae wan Kim Keyboard & Drums by Tae wan Kim Guitar by Soo Wan Jung Chorus by Tae wan Kim Recorded by 9999 at BRANDNEW MUSIC Studio Mixed by MasterKey at MasterPiece SoundLab 02. Problem (Inst.) Produced by Tae wan a.k.a C-Luv Composed by Tae wan Kim Arranged by Tae wan Kim Keyboard & Drums by Tae wan Kim Guitar by Soo Wan Jung Recorded by 9999 at BRANDNEW MUSIC Studio Mixed by MasterKey at MasterPiece SoundLab