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 (in Solemnitatibus)

   
1. 🔍 94% Rerum Deus (In Solemnitatibus)

   
2. 🔍 92% Rerum, Deus, tenax

   
3. 🔍 82% Rerum Deus (In Solemnitatibus)

   
4. 🔍 78% Rerum Deus tenax vigor (In Major. Festis)

   
5. 🔍 76% Rector potens (in Solemnitatibus)

   
6. 🔍 74% Jam lucis orto sidere (Solemnitatibus)

   
7. 🔍 73% Nunc Sancte nobis (In Solemnitatibus)

   
8. 🔍 72% Rector potens (soll.)

   
9. 🔍 69% Christo profusum sanguinem

   
10. 🔍 65% Rerum Deus tenax vigor

    
11. 🔍 65% Rerum Deus tenax vigor

    
12. 🔍 61% Jam lucis orto sidere (In Major. Festis)

    
13. 🔍 61% Rerum Deus (In Tempore Passionis)

    
14. 🔍 61% Rector potens verax Deus (In Major. Festis)

    
15. 🔍 60% Rerum Deus (In Feriis per Annum)

    
16. 🔍 60% Jam lucis orto sidere (Solemn feasts)

    
17. 🔍 60% Rector potens (In Festis majoribus)

    
18. 🔍 60% Nunc Sancte nobis Spiritus (In Major. Festis)

    
19. 🔍 60% Rerum Deus (In Festis Majoribus)

    
20. 🔍 59% Rerum Deus (In Nativitate Domini)

    
21. 🔍 57% Rerum Deus (In Dominicis per Annum)

    
22. 🔍 57% Rerum Deus (In Epiphania Domini)

    
23. 🔍 55% Rerum Deus (In Adventu)

    
24. 🔍 54% Rerum Deus tenax vigor (In Quadragesima)

    
25. 🔍 53% Rerum Deus tenax vigor (In Festis)

    
26. 🔍 52% Rerum Deus (in Festo Septem Dolorum BMV)

    
27. 🔍 52% Rerum Deus (In Tempore Paschali)

    
28. 🔍 51% Rerum Deus (In Quadragesima)

    
29. 🔍 51% Rerum Deus tenax vigor (In tempore Passionis)

    
30. 🔍 51% Rerum Deus (In Adventu)

    
31. 🔍 51% Rerum Deus (In Adventu)

    
32. 🔍 51% Rerum Deus (In Festis Minoribus)

    
33. 🔍 48% Rerum deus tenax vigor (In Pentecoste)

    
34. 🔍 48% Rector potens(Solemnitatibus)

    
35. 🔍 47% Rerum Deus tenax vigor (tempus nativitas)

    
36. 🔍 47% Rerum Deus (In Tempore Paschali)

    
37. 🔍 46% Rerum Deus (In Tempore Ascensionis)

    
38. 🔍 46% Rerum Deus tenax vigor (In Fer. et Fest. Simpl.)

    
39. 🔍 46% Rerum Deus tenax vigor (in memoriis)

    
40. 🔍 46% Rerum Deus tenax (Adv.)

    
41. 🔍 45% Rerum Deus tenax (dom.)

    
42. 🔍 45% Rerum deus tenax vigor (In Festo S. Cordis Jesu)

    
43. 🔍 45% Rerum Deus (In Festo S. Cordis Jesu)

    
44. 🔍 45% Rerum Deus (In Festo Christi Regis)

    
45. 🔍 43% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
46. 🔍 43% Rerum Deus tenax vigor (In Feriis per annum)

    
47. 🔍 43% Rerum Deus (In Festo Pentecostes)

    
48. 🔍 43% Rerum Deus (Dom. per Annum)

    
49. 🔍 42% Rerum Deus tenax vigor (Septem Dolorum)

    
50. 🔍 41% Lucis Creator optime (in Aestate)

    
51. 🔍 40% Rerum Deus (2)

    
52. 🔍 40% Rerum Deus (In Dominicis per Annum)

    
53. 🔍 39% Rerum deus tenax vigor (In Ascensione)

    
54. 🔍 39% Rector Potens

    
55. 🔍 39% Lucis Creator optime

    
56. 🔍 39% Rerum Deus tenax vigor (In Dom. et Minor. Festis)

    
57. 🔍 39% Lucis creator

    
58. 🔍 38% Rerum Deus (In Festo Corporis Christi)

    
59. 🔍 38% Nunc sancte nobis Spiritus

    
60. 🔍 38% Rerum Deus tenax vigor (In Pentecoste)

    
61. 🔍 37% O salutaris Hostia II

    
62. 🔍 37% Rerum Deus tenax vigor (Tempore Nativitatis)

    
63. 🔍 37% Lucis creator

    
64. 🔍 36% Rerum Deus Fer.