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 Festo S. Cordis Jesu)

   
1. 🔍 91% Rector potens (In Festo Christi Regis)

   
2. 🔍 69% Rerum Deus (In Festo S. Cordis Jesu)

   
3. 🔍 69% Te lucis ante terminum (In Festo S. Cordis Jesu))

   
4. 🔍 68% Jam lucis orto sidere (In Festo S. Cordis Jesu)

   
5. 🔍 66% Nunc Sancte nobis (In Festo S. Cordis Jesu)

   
6. 🔍 66% Rector potens (In Quadragesima)

   
7. 🔍 65% Rector potens (In Festo Pentecostes)

   
8. 🔍 64% Rector Potens (In Nativitate Domini)

   
9. 🔍 62% Te lucis ante terminum (In Festo Christi Regis)

   
10. 🔍 62% Rerum Deus (In Festo Christi Regis)

    
11. 🔍 61% Rector potens (In Epiphania Domini)

    
12. 🔍 60% Aeterna imago altissimi

    
13. 🔍 60% Rector potens (In Tempore Ascensionis)

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

    
15. 🔍 60% Nunc Sancte nobis (In Festo Christi Regis)

    
16. 🔍 59% Rector potens (in Feriis per Annum)

    
17. 🔍 57% Aetérna imágo

    
18. 🔍 57% Rector potens verax Deus (In Pentecoste)

    
19. 🔍 57% Rector potens (In Pentecoste)

    
20. 🔍 55% 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. 🔍 52% Aeterna imago Altissimi

    
26. 🔍 52% Rector potens (In Festo Corporis Christi)

    
27. 🔍 51% Rector potens verax Deus (In tempore Epiphaniae)

    
28. 🔍 51% Rector potens (In Tempore Passionis)

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

    
30. 🔍 51% Rector potens (In Adventu)

    
31. 🔍 50% Rector potens verax Deus (In Quadragesima)

    
32. 🔍 49% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
33. 🔍 49% Rector potens verax Deus (In Festis)

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

    
35. 🔍 48% Rector potens (In Adventu)

    
36. 🔍 48% Rector potens (In Adventu)

    
37. 🔍 48% Rector potens verax Deus (In Fer. et Fest. Simpl.)

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

    
39. 🔍 47% Rector Potens

    
40. 🔍 47% Rector potens (In Dominicis per Annum)

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

    
42. 🔍 47% Rector potens (in Solemnitatibus)

    
43. 🔍 46% Invicte Martyr unicum (Alter tonus)

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

    
45. 🔍 45% Rector potens verax Deus (in Dom. et Minor. Festis)

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

    
47. 🔍 45% Rector potens verax Deus (In tempore Paschali)

    
48. 🔍 44% Rector potens (In Festo S. Cordis Jesu)

    
49. 🔍 44% Rector potens (dom.)

    
50. 🔍 43% Rector potens (soll.)

    
51. 🔍 43% Rector potens verax Deus (In Feriis per annum)

    
52. 🔍 43% Rector potens (Adv.)

    
53. 🔍 43% Rector potens (In Festis majoribus)

    
54. 🔍 43% Quem terra pontus aethera

    
55. 🔍 43% Quem terra pontus aethera

    
56. 🔍 42% Rector potens verax Deus (In Major. Festis)

    
57. 🔍 42% O gloriosa Domina

    
58. 🔍 42% Rector potens verax deus (in memoriis)

    
59. 🔍 41% Bernardus doctor inclitus

    
60. 🔍 41% Christe Redemptor omnium ex Patre

    
61. 🔍 40% Te saeculorum Principem

    
62. 🔍 40% Rector potens verax Deus (In Ascensione)

    
63. 🔍 40% Christe Redemptor omnium

    
64. 🔍 39% Veni Creator (1983/1934)