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(In Festis Majoribus)

   
1. 🔍 91% Rector potens (In Festis Majoribus)

   
2. 🔍 84% Rector potens verax Deus (In Festis)

   
3. 🔍 73% Rector potens (In Adventu)

   
4. 🔍 73% Rector potens (In Adventu)

   
5. 🔍 71% Rector potens (in Feriis per Annum)

   
6. 🔍 69% Rector Potens (In Feriis per annum et Festis Simplicibus)

   
7. 🔍 68% Rector potens (In Tempore Paschali)

   
8. 🔍 67% Rector potens (In Festis majoribus)

   
9. 🔍 67% Rector Potens

   
10. 🔍 67% Rector potens verax Deus (In Quadragesima)

    
11. 🔍 66% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
12. 🔍 66% Rector potens (In Dominicis per Annum)

    
13. 🔍 66% Rector potens (In Tempore Passionis)

    
14. 🔍 66% Rector potens (In Dominicis per Annum)

    
15. 🔍 65% Rector potens verax Deus (in Dom. et Minor. Festis)

    
16. 🔍 64% Rector potens verax Deus (In Major. Festis)

    
17. 🔍 62% Rector potens (In Adventu)

    
18. 🔍 61% Rector potens (Tempus Nativitatis)

    
19. 🔍 60% Rector potens verax Deus (In tempore Passionis)

    
20. 🔍 59% Rector potens (In Quadragesima)

    
21. 🔍 58% Rector potens (In Pentecoste)

    
22. 🔍 58% Rector potens (dom.)

    
23. 🔍 57% Rector potens (In Festis Minoribus)

    
24. 🔍 57% Rerum Deus (In Festis Majoribus)

    
25. 🔍 56% Rector Potens (In Nativitate Domini)

    
26. 🔍 56% Rector potens verax Deus (In Feriis per annum)

    
27. 🔍 55% Rector potens (in Festo Septem Dolorum BMV)

    
28. 🔍 55% Rector potens (In Tempore Paschali)

    
29. 🔍 54% Rector potens verax deus (in memoriis)

    
30. 🔍 54% Rector potens (in Solemnitatibus)

    
31. 🔍 54% Rector potens (In Tempore Ascensionis)

    
32. 🔍 54% Rector potens (In Epiphania Domini)

    
33. 🔍 53% Nunc Sancte nobis (in Festis Majoribus)

    
34. 🔍 53% Rector potens (soll.)

    
35. 🔍 52% Rector potens (In Festo S. Cordis Jesu)

    
36. 🔍 52% Rerum Deus tenax vigor (In Festis)

    
37. 🔍 51% Rector potens verax Deus (In tempore Epiphaniae)

    
38. 🔍 50% Rector potens verax Deus (In tempore Paschali)

    
39. 🔍 50% Rector potens (Adv.)

    
40. 🔍 50% Rector potens verax Deus (In Pentecoste)

    
41. 🔍 50% Rector potens(Solemnitatibus)

    
42. 🔍 49% Rector potens verax Deus (In tempore Nativitatis)

    
43. 🔍 49% Rector potens verax Deus (Septem Dolorum)

    
44. 🔍 48% Rector potens (In Festo Christi Regis)

    
45. 🔍 48% Rector potens (In Festo Pentecostes)

    
46. 🔍 48% Rector potens (In Festo S. Cordis Jesu)

    
47. 🔍 47% Rector potens (Festis Minoribus)

    
48. 🔍 47% Rector potens (In Festo Corporis Christi)

    
49. 🔍 46% Dicamus laudes (In festis)

    
50. 🔍 46% Rector potens (In Ascensione)

    
51. 🔍 45% Rerum Deus (In Adventu)

    
52. 🔍 44% Jam lucis orto sidere (Festis Majoribus)

    
53. 🔍 42% Nunc Sancte nobis (In Adventu)

    
54. 🔍 42% Rector potens (Dom.)

    
55. 🔍 42% Rector potens (In Festis BMV)

    
56. 🔍 41% Ternis horarum (In festis)

    
57. 🔍 41% Certum tenentes (In festis)

    
58. 🔍 40% Auctor salutis

    
59. 🔍 40% Te lucis ante terminum (In Tempore Passionis)

    
60. 🔍 39% Auctor salutis unice

    
61. 🔍 39% Audi benigne

    
62. 🔍 39% Rector potens verax Deus (In festis BMV)

    
63. 🔍 38% Rector potens Fer.

    
64. 🔍 38% Rector potens verax Deus (In Ascensione)