The Mystery of Gregorian Chants
| MPAA Rating: | NR |
| Genre: | Documentary |
| Country: | Slovakia |
| Produced By: | Svatava Maria Kabosova |
| Directed By: | Ladislav Kabos |
| Written By: | Ladislav Kabos |
| In Theaters: | Sep 01, 1994 |
| Runtime: | 1 hour |
Followers: 0
| MPAA Rating: | NR |
| Genre: | Documentary |
| Country: | Slovakia |
| Produced By: | Svatava Maria Kabosova |
| Directed By: | Ladislav Kabos |
| Written By: | Ladislav Kabos |
| In Theaters: | Sep 01, 1994 |
| Runtime: | 1 hour |