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.

See, e.g.: 1961 Solesmes Liber Usualis

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.

  1. 🔍 100% Tu es PetrusTu es Petrus
  2. 🔍 73% Tu es PetrusTu es Petrus
  3. 🔍 57% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  4. 🔍 57% Tu es PetrusTu es Petrus
  5. 🔍 56% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 54% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  7. 🔍 54% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  8. 🔍 53% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  9. 🔍 53% AlleluiaAlleluia
  10. 🔍 53% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  11. 🔍 53% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 51% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 51% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  14. 🔍 50% Tu es PetrusTu es Petrus
  15. 🔍 50% Tu es PetrusTu es Petrus
  16. 🔍 49% Alleluia (ant.)Alleluia (ant.)
  17. 🔍 49% Alleluia (ant.)Alleluia (ant.)
  18. 🔍 48% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  19. 🔍 48% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  20. 🔍 47% Alleluia Lapis revolutusAlleluia Lapis revolutus
  21. 🔍 47% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  22. 🔍 47% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  23. 🔍 47% Tu es Petrus... alleluiaTu es Petrus... alleluia
  24. 🔍 46% Alleluia Omnes GentesAlleluia Omnes Gentes
  25. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  26. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  27. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  28. 🔍 45% Tu es Petrus (Alleluia)Tu es Petrus (Alleluia)
  29. 🔍 44% Alleluia alleluiaAlleluia alleluia
  30. 🔍 44% Tu est PetrusTu est Petrus
  31. 🔍 44% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  32. 🔍 44% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  33. 🔍 44% Tu es Petrus (Communio)Tu es Petrus (Communio)
  34. 🔍 44% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  35. 🔍 44% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  36. 🔍 43% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  37. 🔍 43% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  38. 🔍 43% Omnes GentesOmnes Gentes
  39. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  40. 🔍 43% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  41. 🔍 43% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  42. 🔍 42% Gustate et videteGustate et videte
  43. 🔍 42% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  44. 🔍 42% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  45. 🔍 42% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  46. 🔍 42% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  47. 🔍 41% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  48. 🔍 41% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  49. 🔍 41% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  50. 🔍 41% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  51. 🔍 41% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  52. 🔍 41% Tu es Petrus (Alleluia)Tu es Petrus (Alleluia)
  53. 🔍 41% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  54. 🔍 41% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  55. 🔍 41% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  56. 🔍 41% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  57. 🔍 41% Alleluia Faciem tuamAlleluia Faciem tuam
  58. 🔍 40% Alleluia faciem tuamAlleluia faciem tuam
  59. 🔍 40% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  60. 🔍 40% AlleluiaAlleluia
  61. 🔍 40% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  62. 🔍 40% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  63. 🔍 40% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  64. 🔍 40% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  65. 🔍 40% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)