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.

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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% O magnumO magnum
  2. πŸ” 80% O magnum pietatisO magnum pietatis
  3. πŸ” 71% O magnum pietatisO magnum pietatis
  4. πŸ” 68% O magnum pietatisO magnum pietatis
  5. πŸ” 64% O magnum pietatisO magnum pietatis
  6. πŸ” 61% O magnum pietatisO magnum pietatis
  7. πŸ” 30% Galliarum populisGalliarum populis
  8. πŸ” 23% Si cognovissetis meSi cognovissetis me
  9. πŸ” 23% Ecce crucem DominiEcce crucem Domini
  10. πŸ” 23% VisionemVisionem
  11. πŸ” 22% Alleluia. (Saturday P. T. at Lauds I)Alleluia. (Saturday P. T. at Lauds I)
  12. πŸ” 22% Christus resurgensChristus resurgens
  13. πŸ” 22% Fortis est ut morsFortis est ut mors
  14. πŸ” 22% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  15. πŸ” 22% O morsO mors
  16. πŸ” 22% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  17. πŸ” 21% Christus resurgensChristus resurgens
  18. πŸ” 21% Conversus estConversus est
  19. πŸ” 21% Salva nos ChristeSalva nos Christe
  20. πŸ” 21% Christus resurgensChristus resurgens
  21. πŸ” 21% Ecce CrucemEcce Crucem
  22. πŸ” 21% In Israel magnumIn Israel magnum
  23. πŸ” 21% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  24. πŸ” 20% Tunc assumpsitTunc assumpsit
  25. πŸ” 20% Exaltata est Virgo MariaExaltata est Virgo Maria
  26. πŸ” 20% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  27. πŸ” 20% O morsO mors
  28. πŸ” 20% Alleluia (mode 8)Alleluia (mode 8)
  29. πŸ” 20% Si cognovissetis meSi cognovissetis me
  30. πŸ” 20% Tunc invocabisTunc invocabis
  31. πŸ” 20% Beata es MariaBeata es Maria
  32. πŸ” 20% O morsO mors
  33. πŸ” 20% Alleluia Lapis revolutusAlleluia Lapis revolutus
  34. πŸ” 20% O mors ero morsO mors ero mors
  35. πŸ” 20% Ait Dominus Deus ad serpentemAit Dominus Deus ad serpentem
  36. πŸ” 20% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  37. πŸ” 19% AlleluiaAlleluia
  38. πŸ” 19% Oportebat pati ChristumOportebat pati Christum
  39. πŸ” 19% Domum tuam DomineDomum tuam Domine
  40. πŸ” 19% Ave Maria...Alleluia (Ant.)Ave Maria...Alleluia (Ant.)
  41. πŸ” 19% Christus resurgensChristus resurgens
  42. πŸ” 19% Prae timore autemPrae timore autem
  43. πŸ” 19% Manifeste magnum estManifeste magnum est
  44. πŸ” 19% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  45. πŸ” 19% Usque modoUsque modo
  46. πŸ” 19% Alleluia. (Wednesday P. T. at Lauds I)Alleluia. (Wednesday P. T. at Lauds I)
  47. πŸ” 19% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  48. πŸ” 19% Vocata estVocata est
  49. πŸ” 19% Alleluia (mode 8)Alleluia (mode 8)
  50. πŸ” 19% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  51. πŸ” 19% Oportebat pati ChristumOportebat pati Christum
  52. πŸ” 19% Spiritus sanctus (Off. Parvum BMV)Spiritus sanctus (Off. Parvum BMV)
  53. πŸ” 19% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  54. πŸ” 18% Si cognovissetis meSi cognovissetis me
  55. πŸ” 18% Alleluia (ant.)Alleluia (ant.)
  56. πŸ” 18% Alleluia (ant.)Alleluia (ant.)
  57. πŸ” 18% VisionemVisionem
  58. πŸ” 18% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  59. πŸ” 18% Venite exsultemus EVenite exsultemus E
  60. πŸ” 18% Ne timeas Maria (in Annunciatio)Ne timeas Maria (in Annunciatio)
  61. πŸ” 18% In caelΓ©stibus regnisIn caelΓ©stibus regnis
  62. πŸ” 18% Ne timeas MariaNe timeas Maria
  63. πŸ” 18% Venite exsultemus IIIVenite exsultemus III
  64. πŸ” 18% Si manseritis in meSi manseritis in me
  65. πŸ” 18% Visionem quam vidistisVisionem quam vidistis