[01_Long for (remixed)] 작곡_원효연 편곡_원효연 Piano by 원효연 Recorded by 조현주 Mixed and Mastered by 원효연 [02_Lean on me (2020) (Feat.이원규)] 작사_원효연 작곡_원효연 편곡_원효연 Strings Arranged by 원효연 Piano, Synth, Drums, Bass, Percussions, BGVs by 원효연 Guitars by 박성범 Vocal Recorded by 이상준 BGVs Recorded by 원효연 Guitars Recorded by 박성범 Midi Programming by 원효연 Vocal Edited by 원효연 Mixed and Mastered by 이준형(Jake JunHyung Lee) [03_찬란했던 시절 (2020)] 작사_원효연 작곡_원효연 편곡_원효연 Piano, Synth, Drums, Bass, Percussions, BGVs by 원효연 Vocal Recorded by 원효연 Midi Programming by 원효연 Vocal Edited by 원효연 Mixed by 원효연 Mastered by 이준형(Jake JunHyung Lee) Album Photo by 임세민