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% Ite IaIte Ia
  2. 🔍 67% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  3. 🔍 64% Benedicamus Domino (Infra Octavam Paschae)Benedicamus Domino (Infra Octavam Paschae)
  4. 🔍 62% Benedicamus Domino AlleluiaBenedicamus Domino Alleluia
  5. 🔍 60% Benedicamus Domino (Sabbato ante Septuagesimam)Benedicamus Domino (Sabbato ante Septuagesimam)
  6. 🔍 60% Ite I (forma ordinaria)Ite I (forma ordinaria)
  7. 🔍 51% O filii et filiaeO filii et filiae
  8. 🔍 51% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  9. 🔍 50% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 50% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  11. 🔍 50% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  12. 🔍 50% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 50% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  14. 🔍 50% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  15. 🔍 48% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 48% Puer natus in BethlehemPuer natus in Bethlehem
  17. 🔍 47% AlleluiaAlleluia
  18. 🔍 46% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  19. 🔍 46% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  20. 🔍 46% Ite XV/XVIIte XV/XVI
  21. 🔍 46% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  22. 🔍 45% Omnes GentesOmnes Gentes
  23. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  24. 🔍 45% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  25. 🔍 45% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  26. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  27. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 43% Alleluia (ant.)Alleluia (ant.)
  29. 🔍 43% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  30. 🔍 43% Ite IVIte IV
  31. 🔍 43% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  32. 🔍 42% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  33. 🔍 42% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  34. 🔍 41% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  35. 🔍 41% Exsurgat DeusExsurgat Deus
  36. 🔍 41% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  37. 🔍 41% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  38. 🔍 41% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  39. 🔍 41% Salus et gloria - mode IVSalus et gloria - mode IV
  40. 🔍 41% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  41. 🔍 40% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  42. 🔍 40% Salus et gloriaSalus et gloria
  43. 🔍 40% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  44. 🔍 40% Gustate et videteGustate et videte
  45. 🔍 40% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  46. 🔍 40% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  47. 🔍 40% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  48. 🔍 40% Ite in pace alleluiaIte in pace alleluia
  49. 🔍 40% Alleluia alleluia alleluiaAlleluia alleluia alleluia
  50. 🔍 40% Benedicamus (ad lib.)Benedicamus (ad lib.)
  51. 🔍 40% Ite XIIIte XII
  52. 🔍 39% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  53. 🔍 39% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  54. 🔍 39% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  55. 🔍 39% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  56. 🔍 39% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  57. 🔍 39% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  58. 🔍 39% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  59. 🔍 39% AlleluiaAlleluia
  60. 🔍 39% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  61. 🔍 39% Ite in pace, alleluia (Ad Laudes)Ite in pace, alleluia (Ad Laudes)
  62. 🔍 39% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  63. 🔍 39% Salus et gloriaSalus et gloria
  64. 🔍 39% Alleluia. (Paschal Vigil at Lauds)Alleluia. (Paschal Vigil at Lauds)
  65. 🔍 38% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)