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 🔍 to find similarities to the given chant.

  1. 🔍 100% LoquebanturLoquebantur
  2. 🔍 75% LoquebanturLoquebantur
  3. 🔍 62% LoquebanturLoquebantur
  4. 🔍 61% LoquebanturLoquebantur
  5. 🔍 50% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  6. 🔍 49% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  7. 🔍 49% Loquebantur (Ant.)Loquebantur (Ant.)
  8. 🔍 48% AlleluiaAlleluia
  9. 🔍 47% Loquebantur variisLoquebantur variis
  10. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 46% Loquebantur (Ant.)Loquebantur (Ant.)
  12. 🔍 45% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 45% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  14. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 44% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  16. 🔍 43% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  17. 🔍 43% Alleluia Lapis revolutusAlleluia Lapis revolutus
  18. 🔍 42% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  19. 🔍 42% Alleluia (ant.)Alleluia (ant.)
  20. 🔍 42% Alleluia (ant.)Alleluia (ant.)
  21. 🔍 42% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  22. 🔍 42% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  23. 🔍 41% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  24. 🔍 41% Alleluia Omnes GentesAlleluia Omnes Gentes
  25. 🔍 40% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  26. 🔍 40% Omnes GentesOmnes Gentes
  27. 🔍 39% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  28. 🔍 39% Puer natus in BethlehemPuer natus in Bethlehem
  29. 🔍 39% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  30. 🔍 39% Gustate et videteGustate et videte
  31. 🔍 38% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  32. 🔍 37% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  33. 🔍 37% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 37% Lux de luceLux de luce
  35. 🔍 37% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  36. 🔍 36% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  37. 🔍 36% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  38. 🔍 36% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  39. 🔍 36% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  40. 🔍 36% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  41. 🔍 36% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  42. 🔍 36% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  43. 🔍 35% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  44. 🔍 35% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  45. 🔍 35% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  46. 🔍 35% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  47. 🔍 35% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  48. 🔍 35% Lux perpetuaLux perpetua
  49. 🔍 35% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  50. 🔍 35% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  51. 🔍 35% Alleluia faciem tuamAlleluia faciem tuam
  52. 🔍 35% Spiritus Domini replevitSpiritus Domini replevit
  53. 🔍 35% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  54. 🔍 35% Elevata estElevata est
  55. 🔍 34% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  56. 🔍 34% Sanguis Jesu ChristiSanguis Jesu Christi
  57. 🔍 34% Alleluia Faciem tuamAlleluia Faciem tuam
  58. 🔍 34% Non vos relinquamNon vos relinquam
  59. 🔍 34% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  60. 🔍 34% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  61. 🔍 34% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  62. 🔍 34% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  63. 🔍 34% Alleluia. Dom. LaudAlleluia. Dom. Laud
  64. 🔍 34% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  65. 🔍 34% Alleluia confiteminiAlleluia confitemini