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% Angeli Archangeli (Com)

   
1. 🔍 82% Angeli Archangeli (Com)

   
2. 🔍 47% Angeli Archangeli

   
3. 🔍 41% Angeli Archangeli (S. Michael.)

   
4. 🔍 40% Angeli Archangeli...caelorum

   
5. 🔍 36% Angeli Archangeli...caelorum

   
6. 🔍 33% Praefatio solemnis de Martyribus

   
7. 🔍 33% Angeli Archangeli...caelorum

   
8. 🔍 33% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

   
9. 🔍 32% Praefatio solemnis de Martyribus

   
10. 🔍 32% Praefatio solemnis de beata Maria Virgine

    
11. 🔍 32% Praefatio solemnior de sancto Ioseph Sponso B. M. V.

    
12. 🔍 32% Praefatio de Adventu II

    
13. 🔍 32% Praefatio solemnis de sancta Cruce

    
14. 🔍 32% Praefatio solemnis de nuptiis

    
15. 🔍 32% Praefatio solemnior de Martyribus

    
16. 🔍 32% Praefatio solemnis communis

    
17. 🔍 31% Praefatio solemnior de beata Maria Virgine

    
18. 🔍 31% Praefatio solemnior de Quadragesima

    
19. 🔍 31% Angeli Archangeli (Omn. Sanct.)

    
20. 🔍 31% Praefatio solemnis de Omnibus Sanctis et Patronis

    
21. 🔍 31% Praefatio solemnior de sancto Joanne Baptista

    
22. 🔍 31% Praefatio solemnior de Adventu

    
23. 🔍 31% Praefatio solemnis de S. Benedicto

    
24. 🔍 30% Praefatio de Beata Maria Virgine I

    
25. 🔍 30% Praefatio solemnior de Ascensione Domini

    
26. 🔍 30% Praefatio solemnior de Omnibus Sanctis et Patronis

    
27. 🔍 30% Praefatio solemnior de sancta Cruce

    
28. 🔍 30% Angeli Domini

    
29. 🔍 30% Praefatio solemnis de Adventu

    
30. 🔍 30% Praefatio solemnior de D. N. Iesu Christo Rege

    
31. 🔍 30% Praefatio solemnior communis

    
32. 🔍 30% Praefatio solemnior de sanctissima Eucharistia

    
33. 🔍 30% Praefatio solemnior de S. Benedicto

    
34. 🔍 30% Praefatio solemnis de sancto Elia Propheta

    
35. 🔍 30% Praefatio solemnior de nuptiis

    
36. 🔍 30% Angeli Domini Dominum

    
37. 🔍 30% Praefatio solemnior de Epiphania Domini

    
38. 🔍 29% Praefatio solemnis de sancto Joanne Baptista

    
39. 🔍 29% Praefatio in Sollemnitate Sanctissimae Trinitatis

    
40. 🔍 29% Praefatio solemnior de Ecclesiae Dedicatione

    
41. 🔍 29% Angeli Archangeli (Omn. Sanct.)

    
42. 🔍 29% Praefatio solemnis de sancto Ioanne Baptista

    
43. 🔍 29% Praefatio solemnior de sanctissima Trinitate

    
44. 🔍 28% Angeli Archangeli..Cherubim

    
45. 🔍 28% Praefatio solemnis de D. N. Iesu Christo Rege

    
46. 🔍 28% Praefatio solemnis de Ascensione Domini

    
47. 🔍 28% Praefatio de S. Willibrordo

    
48. 🔍 28% Praefatio solemnis de Spiritu Sancto

    
49. 🔍 28% Praefatio solemnior de Apostolis

    
50. 🔍 28% Praefatio solemnior de Angelis

    
51. 🔍 28% Praefatio de nuptiis

    
52. 🔍 28% Praefatio de Quadragesima I

    
53. 🔍 28% Praefatio solemnis de Ecclesiae Dedicatione

    
54. 🔍 28% Praefatio solemnis de sanctissima Trinitate

    
55. 🔍 28% Praefatio solemnior de sancto Ioanne Baptista

    
56. 🔍 28% Praefatio solemnis de sanctissima Eucharistia

    
57. 🔍 28% Multitudo languentium

    
58. 🔍 28% Praefatio solemnior de Spiritu Sancto

    
59. 🔍 28% Praefatio de Adventu I

    
60. 🔍 27% Praefatio solemnis de Angelis

    
61. 🔍 27% Praefatio solemnior de sacratissimo Corde Iesu

    
62. 🔍 27% Praefatio solemnior de Nativitate Domini

    
63. 🔍 27% Angeli, archágeli

    
64. 🔍 27% Praefatio solemnis de Quadragesima