IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

0. 🔍 100% Rerum, Deus, tenax

   
1. 🔍 92% Rerum Deus (In Solemnitatibus)

   
2. 🔍 92% Rerum Deus (in Solemnitatibus)

   
3. 🔍 85% Rerum Deus (In Solemnitatibus)

   
4. 🔍 84% Rerum Deus tenax vigor (In Major. Festis)

   
5. 🔍 73% Rector potens (soll.)

   
6. 🔍 72% Jam lucis orto sidere (Solemnitatibus)

   
7. 🔍 72% Rector potens (in Solemnitatibus)

   
8. 🔍 70% Nunc Sancte nobis (In Solemnitatibus)

   
9. 🔍 68% Christo profusum sanguinem

   
10. 🔍 62% Rerum Deus tenax vigor

    
11. 🔍 62% Rerum Deus tenax vigor

    
12. 🔍 62% Rector potens verax Deus (In Major. Festis)

    
13. 🔍 62% Jam lucis orto sidere (In Major. Festis)

    
14. 🔍 61% Jam lucis orto sidere (Solemn feasts)

    
15. 🔍 61% Nunc Sancte nobis Spiritus (In Major. Festis)

    
16. 🔍 61% Rerum Deus tenax vigor (In Quadragesima)

    
17. 🔍 61% Rector potens (In Festis majoribus)

    
18. 🔍 57% Rerum Deus tenax vigor (In tempore Passionis)

    
19. 🔍 57% Rerum Deus (In Tempore Paschali)

    
20. 🔍 54% Rerum Deus (In Tempore Passionis)

    
21. 🔍 54% Rerum Deus tenax vigor (In Festis)

    
22. 🔍 53% Rerum Deus tenax vigor (In Fer. et Fest. Simpl.)

    
23. 🔍 52% Rerum Deus (In Feriis per Annum)

    
24. 🔍 52% Rerum Deus (In Nativitate Domini)

    
25. 🔍 51% Rerum Deus (In Festis Majoribus)

    
26. 🔍 51% Rerum Deus tenax vigor (tempus nativitas)

    
27. 🔍 50% Rerum Deus (In Epiphania Domini)

    
28. 🔍 50% Rerum Deus (In Dominicis per Annum)

    
29. 🔍 49% Rerum Deus tenax (dom.)

    
30. 🔍 49% Rerum Deus (In Adventu)

    
31. 🔍 48% Rerum Deus (In Adventu)

    
32. 🔍 48% Rerum Deus (In Adventu)

    
33. 🔍 48% Rerum Deus tenax vigor (Septem Dolorum)

    
34. 🔍 48% Rerum deus tenax vigor (In Pentecoste)

    
35. 🔍 47% Rerum Deus tenax vigor (in memoriis)

    
36. 🔍 47% Rerum Deus tenax (Adv.)

    
37. 🔍 47% Rerum Deus tenax vigor (In Feriis per annum)

    
38. 🔍 45% Rerum Deus (in Festo Septem Dolorum BMV)

    
39. 🔍 45% Rerum Deus (In Quadragesima)

    
40. 🔍 45% Rerum Deus tenax vigor (In Dom. et Minor. Festis)

    
41. 🔍 45% Rerum deus tenax vigor (In Festo S. Cordis Jesu)

    
42. 🔍 44% Rerum Deus (In Dominicis per Annum)

    
43. 🔍 44% Rerum Deus (In Festis Minoribus)

    
44. 🔍 44% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
45. 🔍 43% Rerum Deus tenax vigor (In Pentecoste)

    
46. 🔍 43% Rector potens(Solemnitatibus)

    
47. 🔍 43% Rerum Deus (Dom. per Annum)

    
48. 🔍 41% Rerum Deus tenax vigor (In tempore Paschali)

    
49. 🔍 40% Lucis creator

    
50. 🔍 39% Rerum Deus (2)

    
51. 🔍 39% Lucis creator

    
52. 🔍 39% Rerum Deus (In Tempore Paschali)

    
53. 🔍 39% Rerum Deus (In Tempore Ascensionis)

    
54. 🔍 39% Rerum Deus (In Festo S. Cordis Jesu)

    
55. 🔍 39% Rerum deus tenax vigor (In Ascensione)

    
56. 🔍 39% Rerum Deus (In Festo Christi Regis)

    
57. 🔍 39% Rector Potens

    
58. 🔍 38% Lucis Creator optime

    
59. 🔍 38% Lucis Creator optime (in Aestate)

    
60. 🔍 38% Nunc sancte nobis Spiritus

    
61. 🔍 38% Rerum Deus tenax vigor (Tempore Nativitatis)

    
62. 🔍 37% O salutaris Hostia II

    
63. 🔍 37% Rerum Deus (In Festo Pentecostes)

    
64. 🔍 36% Rerum Deus Fer.