| Composer / Composer | Seong Je Hwang (ButterFly) |
| Original Composer / Original Composer | Bill Brown, Jamie Christopherson |
| Arranger / Arranger | Seong Je Hwang (ButterFly) |
| Assistant Arranger / Assistant Arranger | 정수민 |
| Orchestra Arranger / Orchestra Arranger | Seong Je Hwang |
| Lyrics / Lyrics | Keunhye Oh / 오근혜, 백원빈 |
| Vocals / Vocals | Dongsuk Jeon / 전동석 |
| Drums / Drums | 정동윤 |
| Bass / Bass | 백경진 |
| Guitars / Guitars | 방인재 |
| Piano / Piano | Seong Je Hwang |
| Keyboards / Keyboards | Seong Je Hwang |
| Percussions / Percussions | 정동윤 |
| Pipe / Pipe | 권병호 |
| Whistle / Whistle | 권병호 |
| Synth / Synth | 정수민 |
| Background Vocals / Background Vocals | Seong Je Hwang |
| Digital Editor / Digital Editor | 서미래 |
| Choir / Choir | NCSOUND, Budapest Choir, KS Choir |
| Orchestra / Orchestra | Nashville Music Scoring Orchestra |
| Conductor / Conductor | David Shipps |
| Supervising Producer / Supervising Producer | 송호근 @ NCSOUND |
| Music Producer / Music Producer | Keunhye Oh / 오근혜 @ NCSOUND |
| Co-producer / Co-producer | Chihwan Kim / 김치환 @ NCSOUND |
| Vocal Producer / Vocal Producer | Seong Je Hwang, 서미래, 이자은 |
| Supervising Manager / Supervising Manager | 백원빈 @ NCSOUND |
| Product Manager / Product Manager | 오유솔 @ NCSOUND |
| Mixing Studio / Mixing Studio | NCSOUND Studios |
| Mastering Studio / Mastering Studio | NCSOUND Studios |
| Mixing Engineer / Mixing Engineer | 김영대 @ NCSOUND |
| Mastering Engineer / Mastering Engineer | 김영대 @ NCSOUND |
| Album Designer / Album Designer | 서윤지 @ NCSOUND, 김스룹 @ NCSOUND |
| Calligraphy Designer / Calligraphy Designer | 배단비 @ NCSOFT UXDESIGN |
| Executive Producer / Executive Producer | 김택진 @ NCSOFT |
| Orchestra Recording Studio / Orchestra Recording Studio | Ocean Way Nashville Recording Studios |
| Orchestra Recording Engineer / Orchestra Recording Engineer | Nick Spezia @ Nashville Music Scoring |
| Vocal Recording Studio / Vocal Recording Studio | Studio-T |
| Vocal Recording Engineer / Vocal Recording Engineer | 오성근 @ Studio-T, 오세영 @ Studio-T |
| Choir Recording Studio / Choir Recording Studio | Pannonia Sound Studios, Seoul Studios |
| Choir Recording Engineer / Choir Recording Engineer | Gyorgy Mohai @ Pannonia Sound Studios, 정기홍 @ Seoul Studios, 최다인 @ Seoul Studios |
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