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 sidere (In Dom. et Minor. Festis)

   
1. 🔍 93% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
2. 🔍 91% Jam lucis orto sidere (ord. Sund.)

   
3. 🔍 81% Jam Lucis Orto T.P.

   
4. 🔍 80% Jam lucis orto sidere (In Adventu)

   
5. 🔍 78% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
6. 🔍 72% Jam lucis orto sidere (In tempore Quadragesimae)

   
7. 🔍 72% Jam lucis orto sidere (Tempore Epiphaniae)

   
8. 🔍 72% Jam lucis orto sidere (Septem Dolorum)

   
9. 🔍 70% Jam lucis orto sidere (In Tempore Paschali)

   
10. 🔍 69% Jam lucis orto sidere (In tempore Paschali)

    
11. 🔍 68% Jam lucis orto sidere (In tempore Passionis)

    
12. 🔍 67% Jam lucis orto sidere (In Tempore Ascensionis)

    
13. 🔍 65% Jam lucis orto sidere (In Pentecoste)

    
14. 🔍 65% Jam lucis orto sidere (In Tempore Paschali)

    
15. 🔍 65% Iam lucis orto sidere

    
16. 🔍 63% Jam lucis orto sidere (In Pentecoste)

    
17. 🔍 63% Jam lucis orto sidere (In Major. Festis)

    
18. 🔍 63% Jam lucis orto sidere (Tempore Nativitatis)

    
19. 🔍 62% Jam lucis orto sidere (In Epiphania Domini)

    
20. 🔍 62% Jam lucis orto sidere (Dominicis per Annum)

    
21. 🔍 61% Iam lucis orto sidere (solemnitatibus)

    
22. 🔍 61% Jam lucis orto sidere (Solemn feasts)

    
23. 🔍 59% Jam lucis orto sidere (in Nativitate Domini)

    
24. 🔍 59% Jam lucis orto sidere (In Festo Corporis Christi)

    
25. 🔍 58% Jam lucis orto sidere (In Tempore Passionis)

    
26. 🔍 58% Jam lucis orto sidere (Festis Minoribus per annum)

    
27. 🔍 58% Jam lucis orto sidere (Festis Majoribus)

    
28. 🔍 55% Jam lucis orto sidere (In Quadragesima)

    
29. 🔍 55% Jam lucis orto sidere (Tempore Adventus)

    
30. 🔍 53% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
31. 🔍 52% Jam lucis orto sidere (In Festo Pentecostes)

    
32. 🔍 51% Jam lucis orto sidere (In Ascensione)

    
33. 🔍 50% Jam lucis orto sidere (In Ascensione)

    
34. 🔍 50% Jam lucis orto sidere (In Transfiguratione)

    
35. 🔍 47% Jam lucis orto sidere

    
36. 🔍 47% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
37. 🔍 47% Jam lucis orto sidere (In festis BMV)

    
38. 🔍 46% Jam lucis orto sidere

    
39. 🔍 46% Iam lucis orto sidere

    
40. 🔍 46% Jam lucis orto sidere (Solemnitatibus)

    
41. 🔍 43% Jam lucis orto sidere

    
42. 🔍 37% Aeterna caeli gloria

    
43. 🔍 35% Creator alme siderum

    
44. 🔍 35% Creator alme siderum

    
45. 🔍 34% Jam lucis orto (In Feriis per Annum)

    
46. 🔍 34% Splendor paternae gloriae (in Hieme)

    
47. 🔍 33% Jam lucis orto (In Festis et Officiis iij. Lectionum, in Feriis T. P.)

    
48. 🔍 33% Ales diei nuntius

    
49. 🔍 32% Aurora jam spargit

    
50. 🔍 32% Splendor paternae

    
51. 🔍 32% Jam lucis orto (In Festis MM. min., Dominicis...)

    
52. 🔍 32% Splendor paternae gloriae

    
53. 🔍 32% Deus, qui potestáte

    
54. 🔍 32% Praefatio ferialis de Ecclesiae Dedicatione

    
55. 🔍 32% Exsultet iam angelica

    
56. 🔍 32% Quodcumque in orbe

    
57. 🔍 31% Hominis superne Conditor

    
58. 🔍 31% Praefatio ferialis de nuptiis

    
59. 🔍 31% Splendor paternae gloriae (in Aestate)

    
60. 🔍 31% Nox et tenebrae

    
61. 🔍 31% Passio DNJC secundum Marcum

    
62. 🔍 31% Te lucis ante terminum (In Dom. et Minor. Festis per Annum)

    
63. 🔍 31% Lux ecce surgit aurea

    
64. 🔍 30% Fortem virili pectore