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% Jam lucis orto sidere (Tempore Nativitatis)

   
1. 🔍 65% Jam lucis orto sidere (In Adventu)

   
2. 🔍 63% Jam lucis orto sidere (Tempore Epiphaniae)

   
3. 🔍 63% Jam lucis orto sidere (ord. Sund.)

   
4. 🔍 63% Jam lucis orto sidere (In Dom. et Minor. Festis)

   
5. 🔍 62% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
6. 🔍 62% Rerum Deus tenax vigor (Tempore Nativitatis)

   
7. 🔍 62% Jam Lucis Orto T.P.

   
8. 🔍 59% Jam lucis orto sidere (Septem Dolorum)

   
9. 🔍 59% Rector potens verax Deus (In tempore Nativitatis)

   
10. 🔍 58% Nunc sancte nobis spiritus (In tempore Nativitatis)

    
11. 🔍 58% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

    
12. 🔍 58% Te lucis ante terminum (In Nativ. Domini)

    
13. 🔍 58% Jam lucis orto sidere (In tempore Quadragesimae)

    
14. 🔍 55% Jam lucis orto sidere (In Tempore Ascensionis)

    
15. 🔍 55% Nunc Sancte nobis Spiritus (In Nativ. Domini)

    
16. 🔍 54% Jam lucis orto sidere (In tempore Paschali)

    
17. 🔍 54% Jam lucis orto sidere (In Tempore Paschali)

    
18. 🔍 53% Jam lucis orto sidere (In Pentecoste)

    
19. 🔍 53% Jam lucis orto sidere (In Tempore Paschali)

    
20. 🔍 53% Jam lucis orto sidere (In Pentecoste)

    
21. 🔍 52% Jam lucis orto sidere (In tempore Passionis)

    
22. 🔍 52% Jam lucis orto sidere (In Epiphania Domini)

    
23. 🔍 51% Iam lucis orto sidere

    
24. 🔍 49% Te lucis ante terminum (In Nativitate Domini)

    
25. 🔍 48% Jam lucis orto sidere (In Festo Corporis Christi)

    
26. 🔍 48% Jam lucis orto sidere (in Nativitate Domini)

    
27. 🔍 48% Jam lucis orto sidere (In Tempore Passionis)

    
28. 🔍 48% Nunc Sancte nobis (In Nativitate Domini)

    
29. 🔍 47% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
30. 🔍 47% Iam lucis orto sidere (solemnitatibus)

    
31. 🔍 47% Jam lucis orto sidere (Festis Majoribus)

    
32. 🔍 46% Jam lucis orto sidere (In Major. Festis)

    
33. 🔍 46% Jam lucis orto sidere (Dominicis per Annum)

    
34. 🔍 46% Jam lucis orto sidere (Solemn feasts)

    
35. 🔍 45% Jam lucis orto sidere (In Festo Pentecostes)

    
36. 🔍 45% Jam lucis orto sidere (Tempore Adventus)

    
37. 🔍 44% O nata lux de lumine

    
38. 🔍 43% Jam lucis orto sidere (Festis Minoribus per annum)

    
39. 🔍 43% Jam lucis orto sidere (In Quadragesima)

    
40. 🔍 41% Christe Redemptor omnium ex Patre

    
41. 🔍 40% Jam lucis orto sidere (In Transfiguratione)

    
42. 🔍 40% Jam lucis orto sidere (In Ascensione)

    
43. 🔍 39% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
44. 🔍 39% Jam lucis orto sidere (In festis BMV)

    
45. 🔍 38% Jam lucis orto sidere (In Ascensione)

    
46. 🔍 37% Rerum supremo in vertice

    
47. 🔍 37% Iam caeca

    
48. 🔍 37% Jam lucis orto sidere (Solemnitatibus)

    
49. 🔍 37% Rerum supremo

    
50. 🔍 36% Exsultet caelum gaudibus (S. Joanni Evangelistae)

    
51. 🔍 36% Ad coenam

    
52. 🔍 36% Jam lucis orto sidere

    
53. 🔍 36% O sola magnarum urbium

    
54. 🔍 35% Jam lucis orto sidere

    
55. 🔍 35% Iam lucis orto sidere

    
56. 🔍 35% Jam lucis orto sidere

    
57. 🔍 34% Te dicimus praeconio mater

    
58. 🔍 33% Radix Iesse

    
59. 🔍 33% Martyr Dei

    
60. 🔍 32% Iesu corona virginum

    
61. 🔍 32% Aurora solis nuntia

    
62. 🔍 31% Gloria III

    
63. 🔍 31% Vir celse forma fulgida

    
64. 🔍 30% Quem terra pontus aethera