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% Illi autem profectiIlli autem profecti
  2. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  3. 🔍 32% Alleluia Omnes GentesAlleluia Omnes Gentes
  4. 🔍 32% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  5. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 31% Omnes GentesOmnes Gentes
  7. 🔍 31% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 30% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  9. 🔍 30% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  10. 🔍 30% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 29% Alleluia (ant.)Alleluia (ant.)
  12. 🔍 29% Alleluia (ant.)Alleluia (ant.)
  13. 🔍 29% AlleluiaAlleluia
  14. 🔍 29% Puer natus in BethlehemPuer natus in Bethlehem
  15. 🔍 29% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  16. 🔍 28% Exsurgat DeusExsurgat Deus
  17. 🔍 28% Alleluia alleluiaAlleluia alleluia
  18. 🔍 28% Alleluia Lapis revolutusAlleluia Lapis revolutus
  19. 🔍 28% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  20. 🔍 28% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  21. 🔍 27% Salus et gloria - mode IVSalus et gloria - mode IV
  22. 🔍 27% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  23. 🔍 27% Amplificatus est (T.P.)Amplificatus est (T.P.)
  24. 🔍 27% Gustate et videteGustate et videte
  25. 🔍 27% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  26. 🔍 26% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  27. 🔍 25% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  28. 🔍 25% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  29. 🔍 25% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  30. 🔍 25% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  31. 🔍 25% Si manseritis in meSi manseritis in me
  32. 🔍 25% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  33. 🔍 25% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 25% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  35. 🔍 25% Cantemus cuncti melodumCantemus cuncti melodum
  36. 🔍 25% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  37. 🔍 25% Si diligitis meSi diligitis me
  38. 🔍 24% Alleluia laudate DominumAlleluia laudate Dominum
  39. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  40. 🔍 24% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  41. 🔍 24% In velamento clamabuntIn velamento clamabunt
  42. 🔍 24% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  43. 🔍 24% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  44. 🔍 24% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  45. 🔍 24% Alleluia Faciem tuamAlleluia Faciem tuam
  46. 🔍 24% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  47. 🔍 24% Si diligitis meSi diligitis me
  48. 🔍 24% Alleluia faciem tuamAlleluia faciem tuam
  49. 🔍 24% Alleluia LaudateAlleluia Laudate
  50. 🔍 24% Si manseritis in meSi manseritis in me
  51. 🔍 24% Si manseritis in meSi manseritis in me
  52. 🔍 24% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  53. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  54. 🔍 24% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  55. 🔍 24% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  56. 🔍 24% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  57. 🔍 24% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  58. 🔍 24% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  59. 🔍 24% Sancte Pater Benedicte (Tonus Solemnis T.P.)Sancte Pater Benedicte (Tonus Solemnis T.P.)
  60. 🔍 23% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  61. 🔍 23% DefeceruntDefecerunt
  62. 🔍 23% Alleluia omnes de SabaAlleluia omnes de Saba
  63. 🔍 23% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  64. 🔍 23% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  65. 🔍 23% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)