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 Quadragesima)

   
1. 🔍 76% Rector potens (In Pentecoste)

   
2. 🔍 76% Rector potens (In Festo Pentecostes)

   
3. 🔍 72% Rector potens (in Feriis per Annum)

   
4. 🔍 70% Rerum Deus (In Quadragesima)

   
5. 🔍 68% Rector potens verax Deus (In Quadragesima)

   
6. 🔍 67% Rector potens verax Deus (In Pentecoste)

   
7. 🔍 67% Nunc Sancte nobis (In Quadragesima)

   
8. 🔍 67% Rector potens (In Tempore Passionis)

   
9. 🔍 66% Rector potens (In Festis Majoribus)

   
10. 🔍 66% Rector potens (In Festo S. Cordis Jesu)

    
11. 🔍 65% Rector potens (In Festo Christi Regis)

    
12. 🔍 65% Rector potens (In Dominicis per Annum)

    
13. 🔍 63% Jam lucis orto sidere (In Quadragesima)

    
14. 🔍 63% Rector potens (Tempus Nativitatis)

    
15. 🔍 62% Ex more docti mystico

    
16. 🔍 62% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
17. 🔍 61% Rector potens verax Deus (In Festis)

    
18. 🔍 61% Rector potens (In Adventu)

    
19. 🔍 61% Rector potens (In Adventu)

    
20. 🔍 60% Rector potens (In Tempore Paschali)

    
21. 🔍 60% Rector potens (In Dominicis per Annum)

    
22. 🔍 59% Rector potens verax Deus (In tempore Passionis)

    
23. 🔍 59% Rector Potens

    
24. 🔍 59% Rector potens(In Festis Majoribus)

    
25. 🔍 59% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
26. 🔍 59% Rector potens (In Adventu)

    
27. 🔍 58% Rector potens verax Deus (in Dom. et Minor. Festis)

    
28. 🔍 58% Dei fide

    
29. 🔍 58% Rector Potens (In Nativitate Domini)

    
30. 🔍 57% Rector potens (In Epiphania Domini)

    
31. 🔍 57% Qua Christus hora sitiit

    
32. 🔍 57% Rector potens (In Festis Minoribus)

    
33. 🔍 56% Ex more docti Mystico

    
34. 🔍 56% Nunc tempus acceptabile

    
35. 🔍 55% Rector potens (in Festo Septem Dolorum BMV)

    
36. 🔍 55% Rector potens (Adv.)

    
37. 🔍 55% Rector potens (In Tempore Paschali)

    
38. 🔍 55% Rector potens (In Tempore Ascensionis)

    
39. 🔍 55% Ternis ter horis

    
40. 🔍 53% Rector potens (dom.)

    
41. 🔍 53% Rector potens (in Solemnitatibus)

    
42. 🔍 53% Rector potens verax Deus (In Feriis per annum)

    
43. 🔍 52% Rector potens (In Festis BMV)

    
44. 🔍 52% Rector potens verax deus (in memoriis)

    
45. 🔍 51% Rector potens (In Festis majoribus)

    
46. 🔍 50% Rector potens verax Deus (In Major. Festis)

    
47. 🔍 50% Rector potens (soll.)

    
48. 🔍 49% Aeterna imago Altissimi

    
49. 🔍 49% Rector potens (In Ascensione)

    
50. 🔍 48% Rector potens verax Deus (In tempore Epiphaniae)

    
51. 🔍 48% Rector potens verax Deus (Septem Dolorum)

    
52. 🔍 47% Jam Christus astra

    
53. 🔍 47% Jam lucis orto sidere (In Festo Pentecostes)

    
54. 🔍 47% Rerum deus tenax vigor (In Pentecoste)

    
55. 🔍 46% Te lucis ante terminum (In Festo Pentecostes)

    
56. 🔍 46% Rerum Deus (In Festo Pentecostes)

    
57. 🔍 45% Rector potens (In Festo Corporis Christi)

    
58. 🔍 45% Rector potens verax Deus (In tempore Paschali)

    
59. 🔍 45% Rector potens (In Festo S. Cordis Jesu)

    
60. 🔍 44% Veni Creator (1983/1934)

    
61. 🔍 43% Christe Redemptor omnium ex Patre

    
62. 🔍 43% Christe Redemptor omnium

    
63. 🔍 42% Rector potens verax Deus (In tempore Nativitatis)

    
64. 🔍 42% Jam lucis orto sidere (In Pentecoste)