| Artist | : | Yesung and Ryeowook's vocal harmony is amazing |
| Title | : | SJ's ELF 4ever |
| Duration | : | 35 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Yesung and Ryeowook's vocal harmony is amazing |
| Title | : | SJ's ELF 4ever |
| Duration | : | 35 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |