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: 2025-12-20. 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% Rector potens verax Deus (In tempore Nativitatis)

   
1. 🔍 68% Rector potens verax Deus (In tempore Epiphaniae)

   
2. 🔍 63% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
3. 🔍 61% Rector Potens (In Nativitate Domini)

   
4. 🔍 61% Rector potens (In Adventu)

   
5. 🔍 60% Rector potens verax Deus (In tempore Paschali)

   
6. 🔍 60% Rerum Deus tenax vigor (Tempore Nativitatis)

   
7. 🔍 60% Rector potens verax Deus (In Quadragesima)

   
8. 🔍 60% Rector potens verax Deus (in Dom. et Minor. Festis)

   
9. 🔍 59% Jam lucis orto sidere (Tempore Nativitatis)

   
10. 🔍 59% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
11. 🔍 59% Rector potens verax Deus (In Pentecoste)

    
12. 🔍 58% Rector potens verax Deus (Septem Dolorum)

    
13. 🔍 58% Rector potens (In Tempore Paschali)

    
14. 🔍 56% Nunc sancte nobis spiritus (In tempore Nativitatis)

    
15. 🔍 56% Rector potens verax Deus (In tempore Passionis)

    
16. 🔍 56% Rector potens (In Tempore Ascensionis)

    
17. 🔍 56% Rector potens (In Tempore Paschali)

    
18. 🔍 56% Rector potens verax Deus (In Festis)

    
19. 🔍 55% Te lucis ante terminum (In Nativ. Domini)

    
20. 🔍 55% Rector potens (In Dominicis per Annum)

    
21. 🔍 54% Rector potens (Tempus Nativitatis)

    
22. 🔍 54% Rector potens (in Feriis per Annum)

    
23. 🔍 54% Rector potens (In Festo Corporis Christi)

    
24. 🔍 54% Rector potens (In Pentecoste)

    
25. 🔍 53% Rector potens (In Epiphania Domini)

    
26. 🔍 52% Rector potens verax Deus (In Feriis per annum)

    
27. 🔍 52% Nunc Sancte nobis Spiritus (In Nativ. Domini)

    
28. 🔍 52% Rector potens (dom.)

    
29. 🔍 50% Rector potens verax Deus (In Major. Festis)

    
30. 🔍 50% Rector Potens

    
31. 🔍 50% Rector potens (In Festis Majoribus)

    
32. 🔍 49% Rector potens (In Dominicis per Annum)

    
33. 🔍 49% Rector potens(In Festis Majoribus)

    
34. 🔍 49% Rector potens (In Festo Christi Regis)

    
35. 🔍 49% Rector potens verax Deus (In Ascensione)

    
36. 🔍 49% Rector potens (In Festo S. Cordis Jesu)

    
37. 🔍 49% Rector potens (in Festo Septem Dolorum BMV)

    
38. 🔍 49% Rector potens verax deus (in memoriis)

    
39. 🔍 48% Rector potens verax Deus (In Transfiguratione)

    
40. 🔍 47% Rector potens verax Deus (In festis BMV)

    
41. 🔍 47% Rector potens (In Tempore Passionis)

    
42. 🔍 46% Rector potens (In Festis majoribus)

    
43. 🔍 46% Te lucis ante terminum (In Nativitate Domini)

    
44. 🔍 46% Rector potens (In Festo Pentecostes)

    
45. 🔍 44% Rector potens (In Festis BMV)

    
46. 🔍 44% Rector potens (In Adventu)

    
47. 🔍 44% Rector potens (In Adventu)

    
48. 🔍 44% Rector potens (Adv.)

    
49. 🔍 44% Nunc Sancte nobis (In Nativitate Domini)

    
50. 🔍 43% Rector potens (In Festis Minoribus)

    
51. 🔍 42% Rector potens (In Quadragesima)

    
52. 🔍 42% Rector potens Fer.

    
53. 🔍 42% Rector potens Fer.

    
54. 🔍 41% Rector potens (In Festo S. Cordis Jesu)

    
55. 🔍 41% Rector potens (In Ascensione)

    
56. 🔍 41% Christe Redemptor omnium ex Patre

    
57. 🔍 40% O nata lux de lumine

    
58. 🔍 39% Rector potens (soll.)

    
59. 🔍 38% Rector potens (Dom.)

    
60. 🔍 38% Rector potens (in Solemnitatibus)

    
61. 🔍 37% Rector potens verax Deus (1)

    
62. 🔍 36% Rector potens verax Deus (2)

    
63. 🔍 36% Martyr Dei

    
64. 🔍 36% Rector potens verax Deus (3)