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 Paschali)

   
1. 🔍 68% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
2. 🔍 67% Rector potens verax Deus (In tempore Epiphaniae)

   
3. 🔍 65% Rector potens verax Deus (In Pentecoste)

   
4. 🔍 64% Rector potens verax Deus (in Dom. et Minor. Festis)

   
5. 🔍 63% Rector potens (In Tempore Paschali)

   
6. 🔍 63% Rector potens verax Deus (In Quadragesima)

   
7. 🔍 63% Rector Potens (In Feriis per annum et Festis Simplicibus)

   
8. 🔍 60% Rector potens verax Deus (In tempore Nativitatis)

   
9. 🔍 60% Rector potens (In Tempore Paschali)

   
10. 🔍 60% Rector potens verax Deus (In tempore Passionis)

    
11. 🔍 59% Rector potens (In Adventu)

    
12. 🔍 59% Rector potens (In Dominicis per Annum)

    
13. 🔍 59% Rector potens (in Feriis per Annum)

    
14. 🔍 58% Rector Potens (In Nativitate Domini)

    
15. 🔍 57% Rector potens verax Deus (In Festis)

    
16. 🔍 56% Rector potens verax Deus (Septem Dolorum)

    
17. 🔍 56% Rector potens (Tempus Nativitatis)

    
18. 🔍 56% Rector potens verax Deus (In Feriis per annum)

    
19. 🔍 56% Rector potens (In Tempore Ascensionis)

    
20. 🔍 55% Rerum Deus tenax vigor (In tempore Paschali)

    
21. 🔍 55% Te lucis ante terminum (In tempore Paschali)

    
22. 🔍 54% Rector potens (dom.)

    
23. 🔍 54% Rector potens (In Pentecoste)

    
24. 🔍 52% Rector potens verax deus (in memoriis)

    
25. 🔍 52% Rector potens (In Festo Corporis Christi)

    
26. 🔍 52% Rector potens (In Epiphania Domini)

    
27. 🔍 52% Rector potens verax Deus (In Major. Festis)

    
28. 🔍 51% Jam lucis orto sidere (In tempore Paschali)

    
29. 🔍 51% Rector Potens

    
30. 🔍 51% Rector potens (In Dominicis per Annum)

    
31. 🔍 51% Rector potens (In Festis Majoribus)

    
32. 🔍 50% Rector potens (In Festo Pentecostes)

    
33. 🔍 50% Rector potens(In Festis Majoribus)

    
34. 🔍 50% Nunc sancte nobis Spiritus (In Tempore Paschali)

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

    
36. 🔍 48% Rector potens (In Tempore Passionis)

    
37. 🔍 47% Rector potens verax Deus (In Transfiguratione)

    
38. 🔍 47% Aurora caelum

    
39. 🔍 47% Rector potens (Adv.)

    
40. 🔍 47% Rector potens (In Festis majoribus)

    
41. 🔍 46% Rector potens (In Festis Minoribus)

    
42. 🔍 45% Rector potens (In Festo Christi Regis)

    
43. 🔍 45% Rector potens (in Festo Septem Dolorum BMV)

    
44. 🔍 45% Rector potens Fer.

    
45. 🔍 45% Rector potens (In Quadragesima)

    
46. 🔍 45% Jam lucis orto sidere (In Tempore Paschali)

    
47. 🔍 45% Rector potens (In Festo S. Cordis Jesu)

    
48. 🔍 44% Rector potens verax Deus (In festis BMV)

    
49. 🔍 44% Rector potens Fer.

    
50. 🔍 44% Rector potens (In Ascensione)

    
51. 🔍 44% Rector potens (In Adventu)

    
52. 🔍 44% Rector potens (In Adventu)

    
53. 🔍 41% Rector potens (In Festis BMV)

    
54. 🔍 41% Nunc Sancte nobis (In Tempore Paschali)

    
55. 🔍 40% Rector potens (In Festo S. Cordis Jesu)

    
56. 🔍 40% Rector potens (soll.)

    
57. 🔍 39% Rector potens (in Solemnitatibus)

    
58. 🔍 39% Rector potens verax Deus (1)

    
59. 🔍 38% Rector potens (Dom.)

    
60. 🔍 37% Rector potens verax Deus (3)

    
61. 🔍 37% Rector potens verax Deus (2)

    
62. 🔍 36% Rector potens verax Deus (4)

    
63. 🔍 26% Te lucis ante terminum (T. Paschali)

    
64. 🔍 26% Rector potens (Festis Minoribus)