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. 🔍 80% Rerum Deus (In Solemnitatibus)

   
4. 🔍 76% Rerum Deus tenax vigor (In Major. Festis)

   
5. 🔍 76% Nunc Sancte nobis (In Solemnitatibus)

   
6. 🔍 72% Rector potens (in Solemnitatibus)

   
7. 🔍 71% Rector potens (soll.)

   
8. 🔍 71% Jam lucis orto sidere (Solemnitatibus)

   
9. 🔍 67% Christo profusum sanguinem

   
10. 🔍 63% Rerum Deus tenax vigor

    
11. 🔍 63% Rerum Deus tenax vigor

    
12. 🔍 60% Rector potens verax Deus (In Major. Festis)

    
13. 🔍 60% Jam lucis orto sidere (In Major. Festis)

    
14. 🔍 59% Jam lucis orto sidere (Solemn feasts)

    
15. 🔍 59% Nunc Sancte nobis Spiritus (In Major. Festis)

    
16. 🔍 59% Rector potens (In Festis majoribus)

    
17. 🔍 57% Rerum Deus (In Tempore Passionis)

    
18. 🔍 56% Rerum Deus (In Feriis per Annum)

    
19. 🔍 56% Rerum Deus (In Nativitate Domini)

    
20. 🔍 55% Rerum Deus (In Festis Majoribus)

    
21. 🔍 54% Rerum Deus (In Epiphania Domini)

    
22. 🔍 53% Rerum Deus (In Dominicis per Annum)

    
23. 🔍 53% Rerum Deus tenax vigor (In Festis)

    
24. 🔍 52% Rerum Deus tenax vigor (In Quadragesima)

    
25. 🔍 52% Rerum Deus (In Adventu)

    
26. 🔍 50% Rerum Deus (In Tempore Paschali)

    
27. 🔍 50% Rerum Deus (In Adventu)

    
28. 🔍 50% Rerum Deus (In Adventu)

    
29. 🔍 50% Rerum Deus tenax vigor (In tempore Passionis)

    
30. 🔍 49% Rerum Deus (in Festo Septem Dolorum BMV)

    
31. 🔍 48% Rerum Deus (In Quadragesima)

    
32. 🔍 48% Rerum Deus tenax vigor (tempus nativitas)

    
33. 🔍 47% Rerum Deus (In Festis Minoribus)

    
34. 🔍 47% Rerum deus tenax vigor (In Pentecoste)

    
35. 🔍 46% Rerum Deus tenax vigor (in memoriis)

    
36. 🔍 46% Rerum Deus tenax (dom.)

    
37. 🔍 46% Rerum Deus tenax (Adv.)

    
38. 🔍 45% Rector potens(Solemnitatibus)

    
39. 🔍 45% Rerum Deus tenax vigor (In Fer. et Fest. Simpl.)

    
40. 🔍 44% Rerum Deus tenax vigor (In Feriis per annum)

    
41. 🔍 44% Rerum deus tenax vigor (In Festo S. Cordis Jesu)

    
42. 🔍 44% Rerum Deus (In Tempore Paschali)

    
43. 🔍 43% Rerum Deus (In Tempore Ascensionis)

    
44. 🔍 42% Rerum Deus (In Festo S. Cordis Jesu)

    
45. 🔍 42% Rerum Deus (In Festo Christi Regis)

    
46. 🔍 42% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
47. 🔍 42% Rerum Deus (Dom. per Annum)

    
48. 🔍 40% Rerum Deus tenax vigor (Septem Dolorum)

    
49. 🔍 40% Rerum Deus (In Festo Pentecostes)

    
50. 🔍 39% Lucis creator

    
51. 🔍 39% Lucis creator

    
52. 🔍 39% Lucis Creator optime (in Aestate)

    
53. 🔍 39% Rerum Deus (2)

    
54. 🔍 39% Rerum Deus (In Dominicis per Annum)

    
55. 🔍 38% Rerum deus tenax vigor (In Ascensione)

    
56. 🔍 38% Rector Potens

    
57. 🔍 38% Lucis Creator optime

    
58. 🔍 38% Rerum Deus tenax vigor (In Dom. et Minor. Festis)

    
59. 🔍 37% Nunc sancte nobis Spiritus

    
60. 🔍 36% O salutaris Hostia II

    
61. 🔍 36% Rerum Deus tenax vigor (In Pentecoste)

    
62. 🔍 36% Rerum Deus (In Festo Corporis Christi)

    
63. 🔍 36% Rerum Deus tenax vigor (Tempore Nativitatis)

    
64. 🔍 35% Rerum Deus Fer.