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 Epiphaniae)

   
1. 🔍 75% Rector potens (In Epiphania Domini)

   
2. 🔍 70% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
3. 🔍 68% Rector potens verax Deus (In tempore Nativitatis)

   
4. 🔍 67% Rector potens verax Deus (In tempore Paschali)

   
5. 🔍 66% Rector potens verax Deus (in Dom. et Minor. Festis)

   
6. 🔍 65% Rector potens verax Deus (In Quadragesima)

   
7. 🔍 65% Rector Potens (In Nativitate Domini)

   
8. 🔍 65% Rector Potens (In Feriis per annum et Festis Simplicibus)

   
9. 🔍 63% Rector potens (In Tempore Paschali)

   
10. 🔍 62% Rector potens verax Deus (Septem Dolorum)

    
11. 🔍 62% Rector potens verax Deus (In Pentecoste)

    
12. 🔍 62% Rector potens (In Tempore Ascensionis)

    
13. 🔍 62% Rector potens (In Adventu)

    
14. 🔍 62% Rector potens verax Deus (In tempore Passionis)

    
15. 🔍 61% Rector potens (In Dominicis per Annum)

    
16. 🔍 61% Rector potens (In Tempore Paschali)

    
17. 🔍 60% Rector potens (in Feriis per Annum)

    
18. 🔍 58% Rector Potens

    
19. 🔍 58% Rector potens (Tempus Nativitatis)

    
20. 🔍 58% Rector potens (In Festo Corporis Christi)

    
21. 🔍 58% Rector potens verax Deus (In Feriis per annum)

    
22. 🔍 57% Rector potens verax Deus (In Festis)

    
23. 🔍 57% Rector potens verax Deus (In Major. Festis)

    
24. 🔍 56% Rector potens verax Deus (In Ascensione)

    
25. 🔍 56% Rector potens (dom.)

    
26. 🔍 55% Rector potens (In Pentecoste)

    
27. 🔍 55% Rector potens verax Deus (In Transfiguratione)

    
28. 🔍 54% Rector potens verax deus (in memoriis)

    
29. 🔍 53% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
30. 🔍 53% Rector potens (In Dominicis per Annum)

    
31. 🔍 53% Rector potens (Adv.)

    
32. 🔍 52% Rector potens (In Festis majoribus)

    
33. 🔍 51% Rector potens (In Festis Majoribus)

    
34. 🔍 51% Rector potens (In Festo S. Cordis Jesu)

    
35. 🔍 51% Rector potens (In Festo Christi Regis)

    
36. 🔍 51% Rector potens(In Festis Majoribus)

    
37. 🔍 50% Rector potens verax Deus (In festis BMV)

    
38. 🔍 50% Rector potens (in Festo Septem Dolorum BMV)

    
39. 🔍 49% Rector potens (In Tempore Passionis)

    
40. 🔍 48% Jam lucis orto sidere (Tempore Epiphaniae)

    
41. 🔍 48% Rector potens (In Ascensione)

    
42. 🔍 48% Nunc sancte nobis Spiritus (In tempore Epiphaniae)

    
43. 🔍 48% Rector potens (In Quadragesima)

    
44. 🔍 48% Rector potens (In Festis Minoribus)

    
45. 🔍 47% Rector potens Fer.

    
46. 🔍 47% Rector potens Fer.

    
47. 🔍 46% Rector potens (In Festo Pentecostes)

    
48. 🔍 46% Te lucis ante terminum (In Epiphania)

    
49. 🔍 46% Rector potens (In Festis BMV)

    
50. 🔍 44% Rector potens (soll.)

    
51. 🔍 44% Rector potens (In Adventu)

    
52. 🔍 44% Rector potens (In Adventu)

    
53. 🔍 44% Rector potens (in Solemnitatibus)

    
54. 🔍 43% Rector potens (In Festo S. Cordis Jesu)

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

    
56. 🔍 42% Rerum Deus (In Epiphania Domini)

    
57. 🔍 42% Rector potens verax Deus (1)

    
58. 🔍 41% Rector potens (Dom.)

    
59. 🔍 41% Crudelis Herodes Deum (another chant)

    
60. 🔍 40% Rector potens verax Deus (2)

    
61. 🔍 40% Jam lucis orto sidere (In Epiphania Domini)

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

    
63. 🔍 39% Te lucis ante terminum (In Epiphania Domini)

    
64. 🔍 38% Rector potens verax Deus (4)