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% Ternis horarum (In memoriis)

   
1. 🔍 71% Dicamus laudes (In memoriis)

   
2. 🔍 71% Ternis horarum (In feriis per annum)

   
3. 🔍 71% Certum tenentes (In memoriis)

   
4. 🔍 67% Ternis horarum (In dominicis per annum)

   
5. 🔍 61% Ternis horarum (In festis)

   
6. 🔍 61% Jam lucis orto sidere (Festis Minoribus per annum)

   
7. 🔍 59% Ternis horarum terminis (A Sollemnitate Epiphaniae)

   
8. 🔍 58% Rerum Deus tenax vigor (in memoriis)

   
9. 🔍 56% Nunc Sancte (in Memoriis)

   
10. 🔍 55% Nunc Sancte nobis (in Festis Minoribus)

    
11. 🔍 54% Rerum Deus (In Festis Minoribus)

    
12. 🔍 53% Rector potens verax deus (in memoriis)

    
13. 🔍 50% Rector potens (In Festis Minoribus)

    
14. 🔍 44% Ternis horarum terminis

    
15. 🔍 37% Ternis horarum (In sollemnitatibus)

    
16. 🔍 35% Certum tenentes (In feriis per annum)

    
17. 🔍 34% Dicamus laudes (In feriis)

    
18. 🔍 33% Certum tenentes (In dominicis per annum)

    
19. 🔍 32% Dicamus laudes (In dominicis)

    
20. 🔍 29% Adesto rerum conditor

    
21. 🔍 29% Certum tenentes ordinem (A Sollemnitate Epiphaniae)

    
22. 🔍 28% Certum tenentes (In festis)

    
23. 🔍 28% Dicamus laudes (In festis)

    
24. 🔍 28% Dicamus laudes Domino (A Sollemnitate Epiphaniae)

    
25. 🔍 28% O Doctor optime (nomina doctorum)

    
26. 🔍 27% Beata caeli gaudia

    
27. 🔍 27% Beata caeli gaudia

    
28. 🔍 26% Maria quae mortalium

    
29. 🔍 26% Ad regias Agni dapes

    
30. 🔍 26% Vidi aquam

    
31. 🔍 26% Rerum Deus tenax vigor (In Dom. et Minor. Festis)

    
32. 🔍 26% Te Deum

    
33. 🔍 26% Te Deum

    
34. 🔍 26% Rector potens (Festis Minoribus)

    
35. 🔍 26% Hymnus Te Deum

    
36. 🔍 25% Ad regias Agni dapes

    
37. 🔍 25% Hymnus Te Deum

    
38. 🔍 25% Jam Christus astra ascenderat

    
39. 🔍 25% Te dicimus praeconio Intacta Mater

    
40. 🔍 25% Gloria IX (forma ordinaria)

    
41. 🔍 25% Quae caritatis

    
42. 🔍 25% Te dicimus praeconio intacta mater

    
43. 🔍 25% Gloria V

    
44. 🔍 25% Deus tuorum militum

    
45. 🔍 25% Te Mater alma Numinis

    
46. 🔍 25% Vidi aquam (B)

    
47. 🔍 24% Te Deum laudamus (tonus simplex)

    
48. 🔍 24% Christe qui splendor et dies (in sollemnitatibus)

    
49. 🔍 24% Te gestientem gaudiis

    
50. 🔍 24% In plausu gratia cárminis

    
51. 🔍 24% Caeli Deus

    
52. 🔍 24% Hodiernae lux diei

    
53. 🔍 24% Verbum salutis omnium

    
54. 🔍 24% Amoris sensus erige

    
55. 🔍 24% Christe qui splendor et dies (in feriis per annum)

    
56. 🔍 24% Venite exultemus III

    
57. 🔍 24% Nunc Sancte nobis (In Festis BMV)

    
58. 🔍 24% Christe qui splendor (Tempore Quadragesimae hebdomadae II IV)

    
59. 🔍 24% Exsultet iam angelica

    
60. 🔍 24% Te gestientem gaudiis

    
61. 🔍 24% Iam Christus

    
62. 🔍 24% Maria virgo regia

    
63. 🔍 23% Memento, salutis Auctor

    
64. 🔍 23% Tibi Christe splendor Patris