An elderly choir group brings back erased violent history by singing songs that were written in prison and have been silenced for more than 50 years.
| Directing | Shalahuddin Siregar | Director |
| Production | Shalahuddin Siregar | Producer |
| Sound | Tommy Fahrizal | Sound |
| Editing | Shalahuddin Siregar | Editor |
| Crew | Shalahuddin Siregar | Cinematography |
| Crew | Hendrick Ben Matulessy | Cinematography |
| Editing | Dhiyan Rahadi | Editor |
| Crew | Fandy Putra Mustofa | Cinematography |
| Crew | Bambang Hadi Saputro | Cinematography |
| Crew | Fahrul Tri Hikmawan | Cinematography |
| Camera | Angga Dennis | Camera Operator |
| Camera | Angen Sodo | Camera Operator |
| Camera | Putra Chaerul | Camera Operator |
| Camera | Bonaventura Sarif Andrian | Camera Operator |
| Camera | Arum Tresnaningtyas | Camera Operator |
| Camera | Catur Rizki Saputro | Camera Operator |
| Camera | Febrian Zein | Assistant Camera |
| Camera | Fendy Riyadi | Assistant Camera |
| Lighting | Alvin Lee | Gaffer |
| Lighting | Jeremy Octa | Gaffer |
| Lighting | Rendy | Gaffer |
| Lighting | Fadel Muhammad Ridwan | Gaffer |
| Lighting | Harry Wicaksono | Gaffer |
| Sound | Sutarjo | Sound Editor |
| Sound | Satrio Budiono | Sound Re-Recording Mixer |
