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% Puer natus in BethlehemPuer natus in Bethlehem
  2. 🔍 78% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  3. 🔍 77% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  4. 🔍 77% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  5. 🔍 76% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  6. 🔍 76% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  7. 🔍 76% Alleluia (mode 8)Alleluia (mode 8)
  8. 🔍 73% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 73% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  10. 🔍 72% Omnes GentesOmnes Gentes
  11. 🔍 72% AlleluiaAlleluia
  12. 🔍 72% Alleluia Lapis revolutusAlleluia Lapis revolutus
  13. 🔍 70% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  14. 🔍 70% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  15. 🔍 69% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  16. 🔍 68% Alleluia Omnes GentesAlleluia Omnes Gentes
  17. 🔍 68% Exsurgat DeusExsurgat Deus
  18. 🔍 68% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  19. 🔍 67% Salus et gloriaSalus et gloria
  20. 🔍 66% Salus et gloria - mode IVSalus et gloria - mode IV
  21. 🔍 66% Alleluia (ant.)Alleluia (ant.)
  22. 🔍 66% Alleluia (ant.)Alleluia (ant.)
  23. 🔍 66% Salus et gloriaSalus et gloria
  24. 🔍 65% Gustate et videteGustate et videte
  25. 🔍 64% Salus et gloriaSalus et gloria
  26. 🔍 62% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  27. 🔍 61% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  28. 🔍 61% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  29. 🔍 60% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  30. 🔍 60% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  31. 🔍 60% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  32. 🔍 59% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  33. 🔍 59% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  34. 🔍 59% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  35. 🔍 59% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  36. 🔍 59% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  37. 🔍 58% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  38. 🔍 58% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  39. 🔍 58% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  40. 🔍 58% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  41. 🔍 58% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  42. 🔍 58% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  43. 🔍 57% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  44. 🔍 57% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  45. 🔍 57% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  46. 🔍 56% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  47. 🔍 56% AlleluiaAlleluia
  48. 🔍 56% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  49. 🔍 56% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  50. 🔍 56% LaetamusLaetamus
  51. 🔍 55% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  52. 🔍 55% Alleluia. Dom. LaudAlleluia. Dom. Laud
  53. 🔍 55% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  54. 🔍 55% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  55. 🔍 55% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  56. 🔍 55% Gloria et honore...allel.Gloria et honore...allel.
  57. 🔍 55% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 55% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  59. 🔍 55% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  60. 🔍 54% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  61. 🔍 54% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  62. 🔍 54% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  63. 🔍 54% Amplificatus est (T.P.)Amplificatus est (T.P.)
  64. 🔍 54% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  65. 🔍 54% Amavit eum Dominus (Resp. Br. T.P.)Amavit eum Dominus (Resp. Br. T.P.)