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: 2025-12-20. 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 (In Festis MM. min., Dominicis...)

   
1. 🔍 76% Jam lucis orto (In Feriis per Annum)

   
2. 🔍 72% Jam lucis orto (In Festis et Officiis iij. Lectionum, in Feriis T. P.)

   
3. 🔍 65% Jam lucis orto (Festis Sermonis, et MM. maj.))

   
4. 🔍 52% Jam lucis orto sidere

   
5. 🔍 52% Jam lucis orto sidere

   
6. 🔍 51% Jam lucis orto sidere

   
7. 🔍 45% Te lucis ante terminum (In Festis et Officiis iij. Lect., in Feriis T. P.)

   
8. 🔍 44% Te lucis ante terminum (In Feriis per Annum)

   
9. 🔍 43% Iam lucis orto sidere

   
10. 🔍 36% Splendor Paternae gloriae

    
11. 🔍 35% Nocte surgentes

    
12. 🔍 35% Ecce iam noctis

    
13. 🔍 34% Rector potens verax Deus (2)

    
14. 🔍 33% Rerum Deus (2)

    
15. 🔍 33% Nunc sancte nobis Spiritus (2)

    
16. 🔍 33% Crux mundi benedictio

    
17. 🔍 33% Per crucem

    
18. 🔍 32% Jam lucis orto sidere (In Dom. et Minor. Festis)

    
19. 🔍 32% Aeterne rerum Conditor

    
20. 🔍 32% Rerum Deus tenax vigor

    
21. 🔍 32% Rerum Deus tenax vigor

    
22. 🔍 30% Jam lucis orto sidere (In Major. Festis)

    
23. 🔍 30% Jam Lucis Orto T.P.

    
24. 🔍 30% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

    
25. 🔍 30% Iam lucis orto sidere (solemnitatibus)

    
26. 🔍 30% Jam lucis orto sidere (In tempore Quadragesimae)

    
27. 🔍 29% Jam lucis orto sidere (Septem Dolorum)

    
28. 🔍 29% Conditor alme siderum

    
29. 🔍 29% Jam lucis orto sidere (ord. Sund.)

    
30. 🔍 29% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

    
31. 🔍 29% Rector Potens

    
32. 🔍 28% Veni Creator Spiritus

    
33. 🔍 28% Jam lucis orto sidere (Solemn feasts)

    
34. 🔍 28% Jam lucis orto sidere (In Epiphania Domini)

    
35. 🔍 28% Jam lucis orto sidere (Tempore Epiphaniae)

    
36. 🔍 28% Summi largitor praemii

    
37. 🔍 28% Rerum Deus (1)

    
38. 🔍 28% Jam lucis orto sidere (In Tempore Passionis)

    
39. 🔍 27% Jam lucis orto sidere (Festis Majoribus)

    
40. 🔍 27% Jam lucis orto sidere (In tempore Passionis)

    
41. 🔍 27% Nunc sancte nobis Spiritus

    
42. 🔍 27% Rerum Deus (3)

    
43. 🔍 27% Lucis Creator optime

    
44. 🔍 27% Jam lucis orto sidere (Tempore Adventus)

    
45. 🔍 27% Jam lucis orto sidere (In Adventu)

    
46. 🔍 26% Aeterna Christi munera

    
47. 🔍 25% Jam lucis orto sidere (In Tempore Ascensionis)

    
48. 🔍 25% Jam lucis orto sidere (In tempore Paschali)

    
49. 🔍 25% Jam lucis orto sidere (In Tempore Paschali)

    
50. 🔍 25% Rerum Deus (4)

    
51. 🔍 24% Jam lucis orto sidere (In Tempore Paschali)

    
52. 🔍 24% Jam lucis orto sidere (Solemnitatibus)

    
53. 🔍 24% Jam lucis orto sidere (In Pentecoste)

    
54. 🔍 24% Jam lucis orto sidere (In Pentecoste)

    
55. 🔍 24% Jam lucis orto sidere (Dominicis per Annum)

    
56. 🔍 24% Jam lucis orto sidere (Festis Minoribus per annum)

    
57. 🔍 24% Hymnum dicamus Domino

    
58. 🔍 24% Jam lucis orto sidere (Tempore Nativitatis)

    
59. 🔍 24% Ave maris stella

    
60. 🔍 23% Iesu corona virginum

    
61. 🔍 23% Iesu nostra redemptio

    
62. 🔍 23% Jam Christus astra

    
63. 🔍 23% Rector potens verax Deus (1)

    
64. 🔍 23% Jam lucis orto sidere (In Quadragesima)