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% Te dicimus praeconio mater

   
1. 🔍 60% Rerum supremo

   
2. 🔍 52% Rerum supremo in vertice

   
3. 🔍 50% Iam caeca

   
4. 🔍 48% Radix Iesse

   
5. 🔍 46% Aurora velut fulgida

   
6. 🔍 45% Aurora solis nuntia

   
7. 🔍 43% Quem terra pontus aethera

   
8. 🔍 40% Exsultet caelum gaudibus (S. Joanni Evangelistae)

   
9. 🔍 40% Dicamus laudes (In festis)

   
10. 🔍 40% Exsultet jam Angelica

    
11. 🔍 39% Ternis horarum (In festis)

    
12. 🔍 39% Salvete flores

    
13. 🔍 38% Martyr Dei

    
14. 🔍 38% Auctor salutis

    
15. 🔍 38% Praefatio solemnis de Ecclesiae Dedicatione

    
16. 🔍 37% Certum tenentes (In festis)

    
17. 🔍 37% Te dicimus praeconio Intacta Mater

    
18. 🔍 37% O virgo mater

    
19. 🔍 37% Auctor salutis unice

    
20. 🔍 36% Veni præcelsa

    
21. 🔍 36% Aurora surgit aurea

    
22. 🔍 35% Praefatio solemnis de sancto Elia Propheta

    
23. 🔍 35% Qui lacrimatus

    
24. 🔍 35% Tibi Redemptor omnium

    
25. 🔍 35% Jam lucis orto sidere (Festis Majoribus)

    
26. 🔍 35% Te dicimus praeconio intacta mater

    
27. 🔍 35% Praefatio de Conceptione Immaculata B.M.V.

    
28. 🔍 35% Jesu corona celsior (S. Mauri abbatis)

    
29. 🔍 35% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

    
30. 🔍 35% Aeterne Rex altissime

    
31. 🔍 35% Praefatio solemnis de sancto Joanne Baptista

    
32. 🔍 34% Praefatio in Sollemnitate Sanctissimae Trinitatis

    
33. 🔍 34% Verbum supernum prodiens a

    
34. 🔍 34% Jam lucis orto sidere (Tempore Nativitatis)

    
35. 🔍 34% Fratres, corona cælica

    
36. 🔍 34% Iesu corona caelitum

    
37. 🔍 34% Jam lucis orto sidere (Tempore Adventus)

    
38. 🔍 33% Praefatio solemnis de sanctissima Eucharistia

    
39. 🔍 33% Rerum Deus tenax vigor (In Festis)

    
40. 🔍 33% Praefatio solemnis de nuptiis

    
41. 🔍 33% Praefatio solemnis de beata Maria Virgine

    
42. 🔍 33% Praefatio de Adventu I

    
43. 🔍 33% Praefatio solemnis de Martyribus

    
44. 🔍 33% Praefatio solemnis de Angelis

    
45. 🔍 32% Verbum supernum prodiens a

    
46. 🔍 32% Praefatio de S. Willibrordo

    
47. 🔍 32% Praefatio solemnis de S. Benedicto

    
48. 🔍 32% Praefatio solemnis de sanctissima Trinitate

    
49. 🔍 32% Praefatio de Beata Maria Virgine I

    
50. 🔍 32% Festivis resonent compita

    
51. 🔍 32% Gloria V

    
52. 🔍 32% Novus athleta

    
53. 🔍 32% Laetare caelum desuper

    
54. 🔍 32% Credo VII

    
55. 🔍 32% Miserere (Ps 50)

    
56. 🔍 32% Praefatio solemnis de sacratissimo Corde Iesu

    
57. 🔍 32% Praefatio solemnis de Omnibus Sanctis et Patronis

    
58. 🔍 32% Praefatio solemnis de D. N. Iesu Christo Rege

    
59. 🔍 32% Omnis expertem

    
60. 🔍 32% Praefatio solemnis de Martyribus

    
61. 🔍 32% Rerum Deus (In Festis Majoribus)

    
62. 🔍 32% Magnae cohortis principem

    
63. 🔍 32% Aeterne sol qui lumine

    
64. 🔍 32% Praefatio solemnis de sancto Ioanne Baptista