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 (In Festo Christi Regis)

   
1. 🔍 91% Rector potens (In Festo S. Cordis Jesu)

   
2. 🔍 70% Rerum Deus (In Festo Christi Regis)

   
3. 🔍 68% Te lucis ante terminum (In Festo Christi Regis)

   
4. 🔍 67% Nunc Sancte nobis (In Festo Christi Regis)

   
5. 🔍 65% Rector potens (In Quadragesima)

   
6. 🔍 65% Rector potens (In Festo Pentecostes)

   
7. 🔍 64% Rector Potens (In Nativitate Domini)

   
8. 🔍 62% Aeterna imago altissimi

   
9. 🔍 62% Jam lucis orto sidere (In Festo S. Cordis Jesu)

   
10. 🔍 61% Rector potens (In Epiphania Domini)

    
11. 🔍 60% Rerum Deus (In Festo S. Cordis Jesu)

    
12. 🔍 60% Rector potens (In Tempore Paschali)

    
13. 🔍 60% Rector potens (in Feriis per Annum)

    
14. 🔍 60% Rector potens (In Tempore Ascensionis)

    
15. 🔍 60% Te lucis ante terminum (In Festo S. Cordis Jesu))

    
16. 🔍 57% Rector potens verax Deus (In Pentecoste)

    
17. 🔍 57% Nunc Sancte nobis (In Festo S. Cordis Jesu)

    
18. 🔍 57% Aetérna imágo

    
19. 🔍 57% Rector potens (In Pentecoste)

    
20. 🔍 56% Rector potens (Tempus Nativitatis)

    
21. 🔍 55% Rector potens (in Festo Septem Dolorum BMV)

    
22. 🔍 55% Rector potens (In Festis Majoribus)

    
23. 🔍 54% Rector potens (In Dominicis per Annum)

    
24. 🔍 54% Rector potens (In Festis BMV)

    
25. 🔍 53% Rector potens (In Festo Corporis Christi)

    
26. 🔍 53% Aeterna imago Altissimi

    
27. 🔍 51% Rector potens (In Tempore Paschali)

    
28. 🔍 51% Rector potens (In Adventu)

    
29. 🔍 51% Rector potens (In Tempore Passionis)

    
30. 🔍 51% Rector potens verax Deus (In tempore Epiphaniae)

    
31. 🔍 51% Rector potens verax Deus (In Quadragesima)

    
32. 🔍 50% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
33. 🔍 50% Rector potens verax Deus (In Festis)

    
34. 🔍 49% Rector potens verax Deus (In tempore Nativitatis)

    
35. 🔍 49% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
36. 🔍 49% Rector potens (In Adventu)

    
37. 🔍 49% Rector potens (In Adventu)

    
38. 🔍 48% Rector potens(In Festis Majoribus)

    
39. 🔍 48% Rector potens (In Dominicis per Annum)

    
40. 🔍 48% Rector Potens

    
41. 🔍 47% Rector potens (In Festis Minoribus)

    
42. 🔍 47% Rector potens (in Solemnitatibus)

    
43. 🔍 46% Rector potens verax Deus (in Dom. et Minor. Festis)

    
44. 🔍 46% Rector potens verax Deus (Septem Dolorum)

    
45. 🔍 46% Rector potens verax Deus (In tempore Passionis)

    
46. 🔍 45% Rector potens verax Deus (In tempore Paschali)

    
47. 🔍 45% Invicte Martyr unicum (Alter tonus)

    
48. 🔍 45% Rector potens (dom.)

    
49. 🔍 44% Rector potens verax Deus (In Feriis per annum)

    
50. 🔍 43% Rector potens (soll.)

    
51. 🔍 43% Rector potens (In Festis majoribus)

    
52. 🔍 43% Rector potens (Adv.)

    
53. 🔍 43% Rector potens verax Deus (In Major. Festis)

    
54. 🔍 42% Rector potens verax deus (in memoriis)

    
55. 🔍 42% Rector potens (In Festo S. Cordis Jesu)

    
56. 🔍 42% Rector potens Fer.

    
57. 🔍 42% Quem terra pontus aethera

    
58. 🔍 41% Quem terra pontus aethera

    
59. 🔍 41% O gloriosa Domina

    
60. 🔍 41% Rector potens Fer.

    
61. 🔍 40% Vexilla Christus

    
62. 🔍 40% Aeterna imago Altissimi

    
63. 🔍 39% Te saeculorum Principem

    
64. 🔍 39% Rector potens verax Deus (In Ascensione)