Tracklist
| 1-1 | 제이의 테마 (Wonderful Days Main Theme) |
| 1-2 | Sky |
| 1-3 | Mother Universe (Trailer Version) |
| 1-4 | 비상 (飛上) – Ending Title |
| 1-5 | 우디의 하모니카 |
| 1-6 | Wonderful Days Theme I (Trailer Version) |
| 1-7 | Hellen’s Song |
| 1-8 | A Prayer |
| 1-9 | 아리아(Aria) (English Version) |
| 1-10 | 에코반 추격 |
| 1-11 | Wonderful Days Theme II (Orchestra Version) |
| 1-12 | 마르 테마 (Mar’s Theme) |
| 1-13 | 아리아(Aria) – 꿈 (한글 Version) |
| 1-14 | Wonderful Days Theme III (Piano Version) |
Companies, etc.
- Distributed By – YBM Seoul Records
Barcode and Other Identifiers
- Barcode: 8804775015182
