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 Quadragesima)

   
1. 🔍 81% Rector potens verax Deus (In tempore Passionis)

   
2. 🔍 81% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
3. 🔍 79% Rector potens verax Deus (in Dom. et Minor. Festis)

   
4. 🔍 78% Rector potens (In Tempore Paschali)

   
5. 🔍 77% Rector Potens (In Feriis per annum et Festis Simplicibus)

   
6. 🔍 74% Rector potens (In Dominicis per Annum)

   
7. 🔍 74% Rector potens verax Deus (In Festis)

   
8. 🔍 73% Rector potens (In Adventu)

   
9. 🔍 72% Rector potens verax Deus (In Major. Festis)

   
10. 🔍 72% Rector potens (in Feriis per Annum)

    
11. 🔍 70% Rector Potens

    
12. 🔍 70% Rector potens (In Tempore Passionis)

    
13. 🔍 68% Rector potens (In Pentecoste)

    
14. 🔍 68% Rector potens (In Festis Majoribus)

    
15. 🔍 68% Rector potens (In Quadragesima)

    
16. 🔍 68% Rector potens (In Adventu)

    
17. 🔍 68% Rector potens (In Adventu)

    
18. 🔍 68% Rector potens verax Deus (Septem Dolorum)

    
19. 🔍 68% Rector potens (In Dominicis per Annum)

    
20. 🔍 68% Rector potens (In Festis majoribus)

    
21. 🔍 67% Rector potens verax Deus (In Feriis per annum)

    
22. 🔍 67% Rector potens (dom.)

    
23. 🔍 67% Rector potens(In Festis Majoribus)

    
24. 🔍 66% Rector potens (Tempus Nativitatis)

    
25. 🔍 65% Rector potens verax Deus (In tempore Epiphaniae)

    
26. 🔍 65% Rector potens (In Festo S. Cordis Jesu)

    
27. 🔍 63% Rector potens verax Deus (In Pentecoste)

    
28. 🔍 63% Rector potens verax Deus (In tempore Paschali)

    
29. 🔍 63% Rector potens verax deus (in memoriis)

    
30. 🔍 63% Rector potens (In Ascensione)

    
31. 🔍 60% Rector potens verax Deus (In tempore Nativitatis)

    
32. 🔍 59% Rector Potens (In Nativitate Domini)

    
33. 🔍 59% Rector potens (soll.)

    
34. 🔍 59% Rector potens (Adv.)

    
35. 🔍 58% Rector potens (in Solemnitatibus)

    
36. 🔍 58% Rector potens verax Deus (In Ascensione)

    
37. 🔍 58% Rector potens (In Epiphania Domini)

    
38. 🔍 58% Rector potens (in Festo Septem Dolorum BMV)

    
39. 🔍 57% Rector potens (In Festis Minoribus)

    
40. 🔍 56% Rector potens verax Deus (In Transfiguratione)

    
41. 🔍 55% Rector potens (In Tempore Paschali)

    
42. 🔍 55% Rector potens (In Tempore Ascensionis)

    
43. 🔍 54% Rerum Deus tenax vigor (In Quadragesima)

    
44. 🔍 54% Rector potens (In Festo Pentecostes)

    
45. 🔍 53% Rector potens (In Festo Corporis Christi)

    
46. 🔍 51% Rector potens (In Festo Christi Regis)

    
47. 🔍 50% Rector potens (In Festo S. Cordis Jesu)

    
48. 🔍 49% Rector potens verax Deus (In festis BMV)

    
49. 🔍 49% Jam lucis orto sidere (In tempore Quadragesimae)

    
50. 🔍 48% Nunc Sancte nobis (In Quadragesima)

    
51. 🔍 46% Rector potens Fer.

    
52. 🔍 45% Rector potens (In Festis BMV)

    
53. 🔍 45% Rector potens Fer.

    
54. 🔍 43% Rector potens (Dom.)

    
55. 🔍 43% Nunc Sancte nobis Spiritus (In Quadragesima)

    
56. 🔍 42% Rector potens verax Deus (1)

    
57. 🔍 42% Rector potens verax Deus (2)

    
58. 🔍 40% Veni Creator Spiritus

    
59. 🔍 39% Rerum Deus (In Adventu)

    
60. 🔍 39% Te lucis ante terminum (In tempore Passionis)

    
61. 🔍 39% Rerum Deus tenax vigor (In tempore Passionis)

    
62. 🔍 39% Rector potens verax Deus (3)

    
63. 🔍 38% Te lucis ante terminum (Pentecost)

    
64. 🔍 38% Rerum Deus (In Tempore Passionis)