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% LaetamusLaetamus
  2. 🔍 57% Alleluia (mode 8)Alleluia (mode 8)
  3. 🔍 56% Puer natus in BethlehemPuer natus in Bethlehem
  4. 🔍 55% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  5. 🔍 55% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 55% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 55% Alleluia (mode 8)Alleluia (mode 8)
  8. 🔍 54% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  9. 🔍 54% AlleluiaAlleluia
  10. 🔍 54% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 51% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  12. 🔍 51% Alleluia Lapis revolutusAlleluia Lapis revolutus
  13. 🔍 50% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  14. 🔍 50% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  15. 🔍 50% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 50% Alleluia (ant.)Alleluia (ant.)
  17. 🔍 49% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  18. 🔍 49% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  19. 🔍 49% Omnes GentesOmnes Gentes
  20. 🔍 48% Salus et gloriaSalus et gloria
  21. 🔍 47% Exsurgat DeusExsurgat Deus
  22. 🔍 47% Salus et gloriaSalus et gloria
  23. 🔍 47% Gustate et videteGustate et videte
  24. 🔍 46% Alleluia alleluiaAlleluia alleluia
  25. 🔍 46% Alleluia Omnes GentesAlleluia Omnes Gentes
  26. 🔍 46% Ostende nobisOstende nobis
  27. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  28. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  29. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  30. 🔍 46% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  31. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  32. 🔍 46% Salus et gloria - mode IVSalus et gloria - mode IV
  33. 🔍 45% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  34. 🔍 45% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  35. 🔍 45% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  36. 🔍 45% Salus et gloriaSalus et gloria
  37. 🔍 44% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  38. 🔍 44% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  39. 🔍 44% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  40. 🔍 44% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 44% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  42. 🔍 44% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  43. 🔍 43% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  44. 🔍 43% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  45. 🔍 43% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  46. 🔍 43% Laetamini in Domino... allel.Laetamini in Domino... allel.
  47. 🔍 43% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  48. 🔍 43% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  49. 🔍 43% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  50. 🔍 43% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  51. 🔍 43% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  52. 🔍 43% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  53. 🔍 43% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  54. 🔍 42% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  55. 🔍 42% AlleluiaAlleluia
  56. 🔍 42% Alleluia Tuus sumAlleluia Tuus sum
  57. 🔍 42% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  58. 🔍 42% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  59. 🔍 41% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  60. 🔍 41% Alleluia. Dom. LaudAlleluia. Dom. Laud
  61. 🔍 41% AlleluiaAlleluia
  62. 🔍 41% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  63. 🔍 41% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  64. 🔍 41% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  65. 🔍 41% AlleluiaAlleluia