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 Pentecoste)

   
1. 🔍 93% Jam lucis orto sidere (In Pentecoste)

   
2. 🔍 83% Jam lucis orto sidere (In Festo Pentecostes)

   
3. 🔍 72% Jam lucis orto sidere (In Quadragesima)

   
4. 🔍 67% Iam lucis orto sidere (solemnitatibus)

   
5. 🔍 66% Jam Lucis Orto T.P.

   
6. 🔍 63% Jam lucis orto sidere (ord. Sund.)

   
7. 🔍 63% Jam lucis orto sidere (In Dom. et Minor. Festis)

   
8. 🔍 63% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
9. 🔍 62% Vexilla Christus inclyta

   
10. 🔍 62% Rerum Deus tenax vigor (In Pentecoste)

    
11. 🔍 61% Te lucis ante terminum (In Pentecoste)

    
12. 🔍 60% Jam Christus astra

    
13. 🔍 59% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
14. 🔍 59% Rector potens verax Deus (In Pentecoste)

    
15. 🔍 58% Jam lucis orto sidere (Septem Dolorum)

    
16. 🔍 58% Jam lucis orto sidere (In tempore Quadragesimae)

    
17. 🔍 58% Jam lucis orto sidere (In Adventu)

    
18. 🔍 57% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

    
19. 🔍 56% Jam lucis orto sidere (Tempore Epiphaniae)

    
20. 🔍 56% Aeterna imago Altissimi

    
21. 🔍 55% Rerum deus tenax vigor (In Pentecoste)

    
22. 🔍 55% Jam lucis orto sidere (In tempore Passionis)

    
23. 🔍 55% Jam lucis orto sidere (In tempore Paschali)

    
24. 🔍 54% Rerum Deus (In Festo Pentecostes)

    
25. 🔍 54% Rector potens (In Pentecoste)

    
26. 🔍 53% Jam lucis orto sidere (In Tempore Ascensionis)

    
27. 🔍 53% Te lucis ante terminum (In Festo D. N. J. C. Regis)

    
28. 🔍 53% Jam lucis orto sidere (In Tempore Paschali)

    
29. 🔍 53% Jam lucis orto sidere (Tempore Nativitatis)

    
30. 🔍 53% Te lucis ante terminum (In Festo Pentecostes)

    
31. 🔍 52% Jam lucis orto sidere (In Tempore Paschali)

    
32. 🔍 52% Exsultet caelum (III)

    
33. 🔍 52% Iam lucis orto sidere

    
34. 🔍 52% Rector potens (In Festo Pentecostes)

    
35. 🔍 51% Jam lucis orto sidere (In Epiphania Domini)

    
36. 🔍 51% Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)

    
37. 🔍 50% Jam lucis orto sidere (In Tempore Passionis)

    
38. 🔍 49% Deus tuorum II Cl.

    
39. 🔍 49% Jam lucis orto sidere (Festis Minoribus per annum)

    
40. 🔍 49% Ad cenam

    
41. 🔍 49% Jam lucis orto sidere (In Major. Festis)

    
42. 🔍 49% Jam Christus astra

    
43. 🔍 49% Jam lucis orto sidere (Solemn feasts)

    
44. 🔍 48% Ex more docti mystico

    
45. 🔍 48% Jam Christus astra

    
46. 🔍 47% Iam Christus

    
47. 🔍 46% Jam lucis orto sidere (In festis BMV)

    
48. 🔍 46% Jam Christus astra ascenderat

    
49. 🔍 46% Jam lucis orto sidere (Festis Majoribus)

    
50. 🔍 45% Jam Christus astra

    
51. 🔍 45% Jam lucis orto sidere (Dominicis per Annum)

    
52. 🔍 45% Vexilla Christus

    
53. 🔍 44% Dei fide

    
54. 🔍 44% Jam lucis orto sidere (in Nativitate Domini)

    
55. 🔍 44% Jam lucis orto sidere (In Festo Corporis Christi)

    
56. 🔍 44% Jam lucis orto sidere (Tempore Adventus)

    
57. 🔍 44% Ex more docti Mystico

    
58. 🔍 44% Qua Christus hora sitiit

    
59. 🔍 43% Nunc tempus acceptabile

    
60. 🔍 42% Rerum Deus (In Quadragesima)

    
61. 🔍 42% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
62. 🔍 41% Jam lucis orto sidere (In Ascensione)

    
63. 🔍 41% Jam lucis orto sidere (In Transfiguratione)

    
64. 🔍 41% Rector potens (In Quadragesima)