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 (In Tempore Passionis)

   
1. 🔍 92% Jam lucis orto sidere (In tempore Passionis)

   
2. 🔍 73% Jam lucis orto sidere (Septem Dolorum)

   
3. 🔍 71% Jam lucis orto sidere (Tempore Adventus)

   
4. 🔍 68% Jam lucis orto sidere (In tempore Quadragesimae)

   
5. 🔍 67% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
6. 🔍 66% Jam Lucis Orto T.P.

   
7. 🔍 64% Jam lucis orto sidere (Festis Majoribus)

   
8. 🔍 63% Iam lucis orto sidere

   
9. 🔍 62% Jam lucis orto sidere (In Epiphania Domini)

   
10. 🔍 62% Jam lucis orto sidere (In Tempore Ascensionis)

    
11. 🔍 61% Jam lucis orto sidere (In Quadragesima)

    
12. 🔍 61% Rerum Deus (In Tempore Passionis)

    
13. 🔍 61% Jam lucis orto sidere (In Tempore Paschali)

    
14. 🔍 61% Dei fide

    
15. 🔍 60% Jam lucis orto sidere (ord. Sund.)

    
16. 🔍 60% Christe caelorum Domine

    
17. 🔍 59% Rector potens (In Tempore Passionis)

    
18. 🔍 59% Nunc Sancte nobis (In Tempore Passionis)

    
19. 🔍 58% Jam lucis orto sidere (In Dom. et Minor. Festis)

    
20. 🔍 58% Ternis ter horis

    
21. 🔍 58% Qua Christus hora sitiit

    
22. 🔍 58% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

    
23. 🔍 58% Jam lucis orto sidere (Solemnitatibus)

    
24. 🔍 57% Jam lucis orto sidere (Solemn feasts)

    
25. 🔍 57% Jam lucis orto sidere (In Major. Festis)

    
26. 🔍 57% Summae Deus clementiae septem

    
27. 🔍 57% Jam lucis orto sidere (In Adventu)

    
28. 🔍 56% Jam lucis orto sidere (In Festo Pentecostes)

    
29. 🔍 56% Summae Deus clemtiae

    
30. 🔍 55% Rerum Deus (in Festo Septem Dolorum BMV)

    
31. 🔍 55% Jam lucis orto sidere (Dominicis per Annum)

    
32. 🔍 55% Rerum Deus tenax vigor (In tempore Passionis)

    
33. 🔍 55% Jam lucis orto sidere (In Pentecoste)

    
34. 🔍 54% Iam lucis orto sidere (solemnitatibus)

    
35. 🔍 54% Jam lucis orto sidere (Festis Minoribus per annum)

    
36. 🔍 53% Rector potens (in Festo Septem Dolorum BMV)

    
37. 🔍 53% Te lucis ante terminum (In tempore Passionis)

    
38. 🔍 52% Nunc Sancte nobis (In Festo Septem Dolorum BMV)

    
39. 🔍 52% Nunc Sancte nobis (In Tempore Passionis)

    
40. 🔍 52% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
41. 🔍 52% Rector potens verax Deus (In tempore Passionis)

    
42. 🔍 51% Summae Deus clementiae

    
43. 🔍 51% Jam lucis orto sidere (in Nativitate Domini)

    
44. 🔍 51% Jam lucis orto sidere (In Festo Corporis Christi)

    
45. 🔍 51% Jam lucis orto sidere (Tempore Epiphaniae)

    
46. 🔍 51% Nunc Sancte nobis Spiritus (Temp. Passionis)

    
47. 🔍 51% Summae Deus clementiae septem

    
48. 🔍 51% Rerum Deus tenax vigor (Septem Dolorum)

    
49. 🔍 51% Te lucis ante terminum (Temp. Passionis)

    
50. 🔍 50% Jam lucis orto sidere (In Pentecoste)

    
51. 🔍 50% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
52. 🔍 50% Jam lucis orto sidere (In tempore Paschali)

    
53. 🔍 50% Jam lucis orto sidere (In Tempore Paschali)

    
54. 🔍 49% Te lucis ante terminum (Passiontide)

    
55. 🔍 49% Te lucis ante terminum (Septem Dolorum)

    
56. 🔍 48% Nunc sancte nobis Spiritus (Septem Dolorum)

    
57. 🔍 48% Rector potens verax Deus (Septem Dolorum)

    
58. 🔍 48% Jam lucis orto sidere (Tempore Nativitatis)

    
59. 🔍 47% O lux beata Caelitum

    
60. 🔍 47% O lux beata Caelitum

    
61. 🔍 46% O lux beata Caelitum

    
62. 🔍 46% O lux beata Caelitum

    
63. 🔍 46% O lux beata Caelitum

    
64. 🔍 46% Jam lucis orto sidere (In festis BMV)