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% Confitemini... quoniam

   
1. 🔍 91% Alleluia

   
2. 🔍 47% Alleluia (ad Evangelium)

   
3. 🔍 39% Alleluia (ad Evangelium)

   
4. 🔍 29% Alleluia. (Thursday P. T. at Vespers)

   
5. 🔍 27% Alleluia. (T.P. ad Completorium)

   
6. 🔍 27% Alleluia Fer. V T.P. II

   
7. 🔍 26% Confitemini Domino quoniam (Antiphona)

   
8. 🔍 25% Alleluia. (Wednesday P. T. at Vespers)

   
9. 🔍 24% Alleluia (T. P. Vesp. Fer. V.)

   
10. 🔍 24% Confitemini Domino quoniam

    
11. 🔍 24% Alleluia. (Monday P. T. at Vespers)

    
12. 🔍 23% Alleluia. (Friday P. T. at Vespers)

    
13. 🔍 23% Alleluia. (Sund. P. T. at Prime)

    
14. 🔍 23% Ego sum pastor (cum Alleluia)

    
15. 🔍 23% Alleluia. (Tuesday P. T. at Vespers)

    
16. 🔍 23% Alleluia. (Sund. P. T. at Terce)

    
17. 🔍 23% Laudate... omnes gentes

    
18. 🔍 23% Alleluia. (Sund. P. T. at Vespers)

    
19. 🔍 23% Alleluia (ad introitum mode 7)

    
20. 🔍 23% Alleluia confitemini. (Sundays throughout the year at Prime)

    
21. 🔍 23% Alleluia. (Saturday P. T. at Vespers)

    
22. 🔍 22% Confitemini Domino quoniam

    
23. 🔍 22% Alleluia. (Sund. P. T. at Sext)

    
24. 🔍 22% Alleluia Confitemini

    
25. 🔍 22% Notum fecit Dominus alleluia

    
26. 🔍 22% Alleluia. (Paschal Vigil at Lauds)

    
27. 🔍 22% Ite Ia

    
28. 🔍 22% Alleluia (ad introitum mode 2)

    
29. 🔍 21% Alleluia (T.P. ad Sextam)

    
30. 🔍 21% Scitote quoniam

    
31. 🔍 21% Confitemini Domino

    
32. 🔍 21% Quoniam in aeternum

    
33. 🔍 21% Christus resurgens

    
34. 🔍 21% Alleluia (ad introitum mode 8)

    
35. 🔍 21% Alleluia alleluia

    
36. 🔍 21% Alleluia (mode 8)

    
37. 🔍 21% Alleluia confitemini

    
38. 🔍 21% Alleluia (ad introitum mode 3)

    
39. 🔍 21% Alleluia (mode 8)

    
40. 🔍 20% Alleluia. (Friday P. T. at Compline)

    
41. 🔍 20% Alleluia. (Wednesday P. T. at Compline)

    
42. 🔍 20% Alleluia. (Saturday P. T. at Compline)

    
43. 🔍 20% Alleluia alleluia alleluia (Dom. ad Laudes)

    
44. 🔍 20% Alleluia. (Monday P. T. at Compline)

    
45. 🔍 20% Alleluia (T. P. Vesp. Fer. IV.)

    
46. 🔍 20% Alleluia (ad introitum mode 4)

    
47. 🔍 20% Alleluia. (Thursday P. T. at Compline)

    
48. 🔍 20% Alleluia. (Tuesday P. T. at Compline)

    
49. 🔍 20% Confitemini... quoniam (Sab. Sancto)

    
50. 🔍 20% Alleluia (ad introitum mode 6)

    
51. 🔍 20% Adorate Dominum

    
52. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
53. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
54. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
55. 🔍 20% Alleluia. (Sund. P. T. at None)

    
56. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
57. 🔍 19% Confitemini Domino quoniam (Antiphona)

    
58. 🔍 19% Alleluia (ad communionem mode 3)

    
59. 🔍 19% Ego sum pastor... alleluia

    
60. 🔍 19% Alleluia (T. P. ad Primam)

    
61. 🔍 19% Alleluia tuus sum ego. (Sundays throughout the year at Sext)

    
62. 🔍 19% Alleluia alleluia (Dom. ad Laudes)

    
63. 🔍 19% Spiritus qui

    
64. 🔍 19% Alleluia (ad communionem mode 4)