| Artist | : | Teachers & GBI Olympic City | Band | Gita Sorga Bergema, Hai Mari Berhimpun, Gloria In Excelsis Deo |
| Title | : | YS Vocal&Music Course |
| Duration | : | 437 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Teachers & GBI Olympic City | Band | Gita Sorga Bergema, Hai Mari Berhimpun, Gloria In Excelsis Deo |
| Title | : | YS Vocal&Music Course |
| Duration | : | 437 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |