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: 2025-12-19. 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. 🔍 94% Rector potens verax Deus (In Major. Festis)

   
2. 🔍 83% Rector potens (soll.)

   
3. 🔍 82% Rector potens (in Solemnitatibus)

   
4. 🔍 70% Rector potens (In Tempore Paschali)

   
5. 🔍 68% Rector Potens

   
6. 🔍 68% Rector potens verax Deus (In Quadragesima)

   
7. 🔍 67% Rector potens (In Festis Majoribus)

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

   
9. 🔍 66% Rector potens (In Dominicis per Annum)

   
10. 🔍 66% Rerum Deus (In Solemnitatibus)

    
11. 🔍 65% Rerum Deus tenax vigor (In Major. Festis)

    
12. 🔍 65% Rector potens verax Deus (In Festis)

    
13. 🔍 64% Nunc Sancte nobis Spiritus (In Major. Festis)

    
14. 🔍 63% Rector potens verax Deus (in Dom. et Minor. Festis)

    
15. 🔍 63% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
16. 🔍 63% Rector potens (In Adventu)

    
17. 🔍 63% Rector potens (In Adventu)

    
18. 🔍 62% Jam lucis orto sidere (In Major. Festis)

    
19. 🔍 61% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
20. 🔍 61% Jam lucis orto sidere (Solemn feasts)

    
21. 🔍 61% Rerum, Deus, tenax

    
22. 🔍 61% Rector potens verax Deus (In tempore Passionis)

    
23. 🔍 60% Rector potens (In Tempore Passionis)

    
24. 🔍 60% Rerum Deus (in Solemnitatibus)

    
25. 🔍 59% Rector potens (in Feriis per Annum)

    
26. 🔍 59% Rerum Deus (In Solemnitatibus)

    
27. 🔍 58% Rector potens (In Dominicis per Annum)

    
28. 🔍 58% Rector potens (In Adventu)

    
29. 🔍 57% Jam lucis orto sidere (Solemnitatibus)

    
30. 🔍 56% Nunc Sancte nobis (In Solemnitatibus)

    
31. 🔍 55% Rector potens (In Pentecoste)

    
32. 🔍 54% Rector potens (Tempus Nativitatis)

    
33. 🔍 54% Rector potens (In Epiphania Domini)

    
34. 🔍 53% Rector potens (dom.)

    
35. 🔍 52% Christo profusum sanguinem

    
36. 🔍 52% Rector potens verax Deus (In tempore Epiphaniae)

    
37. 🔍 52% Rector potens (In Festis Minoribus)

    
38. 🔍 51% Rector potens (In Festo S. Cordis Jesu)

    
39. 🔍 51% Rector potens (In Quadragesima)

    
40. 🔍 51% Rector potens (in Festo Septem Dolorum BMV)

    
41. 🔍 50% Rector potens verax deus (in memoriis)

    
42. 🔍 50% Rector potens(Solemnitatibus)

    
43. 🔍 50% Rector potens verax Deus (Septem Dolorum)

    
44. 🔍 49% Rector Potens (In Nativitate Domini)

    
45. 🔍 48% Rector potens verax Deus (In Pentecoste)

    
46. 🔍 48% Rector potens verax Deus (In Feriis per annum)

    
47. 🔍 47% Rector potens (Adv.)

    
48. 🔍 47% Rector potens verax Deus (In tempore Paschali)

    
49. 🔍 46% Rector potens verax Deus (In tempore Nativitatis)

    
50. 🔍 46% Rector potens (In Tempore Paschali)

    
51. 🔍 45% Rector potens (In Tempore Ascensionis)

    
52. 🔍 44% Rector potens (In Ascensione)

    
53. 🔍 44% Lucis creator

    
54. 🔍 44% Lucis Creator optime (in Aestate)

    
55. 🔍 44% Lucis Creator optime

    
56. 🔍 43% Rector potens (In Festo Christi Regis)

    
57. 🔍 43% Rector potens (In Festo S. Cordis Jesu)

    
58. 🔍 43% Te lucis ante terminum (In Major. Festis per Annum)

    
59. 🔍 42% Rector potens (In Festo Pentecostes)

    
60. 🔍 42% Lucis creator

    
61. 🔍 42% Te lucis ante terminum (In Solemnitatibus)

    
62. 🔍 40% Lucis Creator optime

    
63. 🔍 40% Lucis Creator optime

    
64. 🔍 40% Rector potens (In Festo Corporis Christi)