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% Benedicamus Domino (In Primis Octavae Paschae)Benedicamus Domino (In Primis Octavae Paschae)
  2. 🔍 82% Benedicamus (Dom. Resurrectionis)Benedicamus (Dom. Resurrectionis)
  3. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  4. 🔍 42% AlleluiaAlleluia
  5. 🔍 41% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  6. 🔍 40% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 40% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  8. 🔍 39% Puer natus in BethlehemPuer natus in Bethlehem
  9. 🔍 39% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  10. 🔍 39% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  11. 🔍 39% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  12. 🔍 38% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 38% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 37% Benedicamus Domino (Infra Octavam Paschae)Benedicamus Domino (Infra Octavam Paschae)
  15. 🔍 36% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  16. 🔍 35% Alleluia Lapis revolutusAlleluia Lapis revolutus
  17. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  18. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  19. 🔍 35% Omnes GentesOmnes Gentes
  20. 🔍 35% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  21. 🔍 34% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  22. 🔍 34% Alleluia Omnes GentesAlleluia Omnes Gentes
  23. 🔍 34% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  24. 🔍 33% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  25. 🔍 33% Benedicamus Domino AlleluiaBenedicamus Domino Alleluia
  26. 🔍 33% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  27. 🔍 33% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  28. 🔍 32% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  29. 🔍 32% Gustate et videteGustate et videte
  30. 🔍 32% Benedicamus Domino (Sabbato ante Septuagesimam)Benedicamus Domino (Sabbato ante Septuagesimam)
  31. 🔍 32% Exsurgat DeusExsurgat Deus
  32. 🔍 32% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  33. 🔍 32% Jubilate DeoJubilate Deo
  34. 🔍 32% Salus et gloria - mode IVSalus et gloria - mode IV
  35. 🔍 32% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  36. 🔍 31% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  37. 🔍 31% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  38. 🔍 31% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  39. 🔍 31% Salus et gloriaSalus et gloria
  40. 🔍 31% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 31% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  42. 🔍 31% Benedicamus PatremBenedicamus Patrem
  43. 🔍 31% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  44. 🔍 31% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  45. 🔍 31% Alleluia. Dom. LaudAlleluia. Dom. Laud
  46. 🔍 31% Salus et gloriaSalus et gloria
  47. 🔍 31% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  48. 🔍 30% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  49. 🔍 30% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  50. 🔍 30% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  51. 🔍 30% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  52. 🔍 30% Salus et gloriaSalus et gloria
  53. 🔍 30% AlleluiaAlleluia
  54. 🔍 30% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  55. 🔍 30% Alleluia alleluiaAlleluia alleluia
  56. 🔍 30% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  57. 🔍 29% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  58. 🔍 29% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  59. 🔍 29% Amplificatus est (T.P.)Amplificatus est (T.P.)
  60. 🔍 29% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  61. 🔍 29% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  62. 🔍 29% Verbum caro factum estVerbum caro factum est
  63. 🔍 29% AccipiteAccipite
  64. 🔍 29% Gloria et honore...allel.Gloria et honore...allel.
  65. 🔍 29% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)