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% Qui sunt hi sermonesQui sunt hi sermones
  2. 🔍 88% Qui sunt hi sermonesQui sunt hi sermones
  3. 🔍 80% Qui sunt hi sermonesQui sunt hi sermones
  4. 🔍 73% Qui sunt hiQui sunt hi
  5. 🔍 48% Isti sunt sermonesIsti sunt sermones
  6. 🔍 42% Isti sunt sermonesIsti sunt sermones
  7. 🔍 34% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  8. 🔍 34% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 33% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  10. 🔍 33% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  11. 🔍 33% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 33% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  13. 🔍 33% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  14. 🔍 33% Alleluia LaudateAlleluia Laudate
  15. 🔍 33% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  16. 🔍 32% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  17. 🔍 32% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  18. 🔍 32% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  19. 🔍 32% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  20. 🔍 32% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  21. 🔍 32% Alleluia Faciem tuamAlleluia Faciem tuam
  22. 🔍 32% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  23. 🔍 31% Alleluia Omnes GentesAlleluia Omnes Gentes
  24. 🔍 31% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  25. 🔍 31% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  26. 🔍 31% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  27. 🔍 30% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  28. 🔍 30% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  29. 🔍 30% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  30. 🔍 30% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  31. 🔍 30% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  32. 🔍 30% AlleluiaAlleluia
  33. 🔍 30% Alleluia Lapis revolutusAlleluia Lapis revolutus
  34. 🔍 30% Omnes GentesOmnes Gentes
  35. 🔍 29% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  36. 🔍 29% Alleluia Dominus regnavitAlleluia Dominus regnavit
  37. 🔍 29% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  38. 🔍 29% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  39. 🔍 29% Repleti sunt omnesRepleti sunt omnes
  40. 🔍 29% Puer natus in BethlehemPuer natus in Bethlehem
  41. 🔍 29% Gustate et videteGustate et videte
  42. 🔍 28% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  43. 🔍 28% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  44. 🔍 28% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  45. 🔍 28% Spiritus qui a PatreSpiritus qui a Patre
  46. 🔍 28% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  47. 🔍 28% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  48. 🔍 28% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  49. 🔍 28% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  50. 🔍 28% Repleti suntRepleti sunt
  51. 🔍 28% Ecce Crucem DominiEcce Crucem Domini
  52. 🔍 28% Jubilate DeoJubilate Deo
  53. 🔍 28% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  54. 🔍 28% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  55. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  56. 🔍 28% Alleluia (ant.)Alleluia (ant.)
  57. 🔍 28% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  58. 🔍 27% Alleluia. Dom. LaudAlleluia. Dom. Laud
  59. 🔍 27% Ecce crucem DominiEcce crucem Domini
  60. 🔍 27% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  61. 🔍 27% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  62. 🔍 27% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  63. 🔍 27% Si diligitis meSi diligitis me
  64. 🔍 27% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  65. 🔍 27% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II