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. 🔍 71% Qui sunt hi sermonesQui sunt hi sermones
  4. 🔍 63% Qui sunt hiQui sunt hi
  5. 🔍 47% Isti sunt sermonesIsti sunt sermones
  6. 🔍 38% Isti sunt sermonesIsti sunt sermones
  7. 🔍 37% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  8. 🔍 37% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  9. 🔍 36% Alleluia LaudateAlleluia Laudate
  10. 🔍 36% Spiritus quiSpiritus qui
  11. 🔍 35% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  12. 🔍 35% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  13. 🔍 34% Si diligitis meSi diligitis me
  14. 🔍 34% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  15. 🔍 34% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  16. 🔍 34% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  17. 🔍 34% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  18. 🔍 34% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  19. 🔍 33% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  20. 🔍 33% Prae timore autemPrae timore autem
  21. 🔍 33% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  22. 🔍 33% Hi sunt qui veneruntHi sunt qui venerunt
  23. 🔍 32% Hi qui amicti suntHi qui amicti sunt
  24. 🔍 32% Ecce Crucem DominiEcce Crucem Domini
  25. 🔍 32% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  26. 🔍 32% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  27. 🔍 31% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  28. 🔍 31% Repleti sunt omnesRepleti sunt omnes
  29. 🔍 31% Repleti sunt omnesRepleti sunt omnes
  30. 🔍 30% Gloria in excelsisGloria in excelsis
  31. 🔍 30% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  32. 🔍 30% Omnes de SabaOmnes de Saba
  33. 🔍 30% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  34. 🔍 30% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  35. 🔍 30% Alleluia (mode 8)Alleluia (mode 8)
  36. 🔍 30% Ecce fidelis servusEcce fidelis servus
  37. 🔍 30% AlleluiaAlleluia
  38. 🔍 30% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  39. 🔍 30% Non est inventusNon est inventus
  40. 🔍 30% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 30% Pater manifestaviPater manifestavi
  42. 🔍 30% Dum complerenturDum complerentur
  43. 🔍 30% Unus militumUnus militum
  44. 🔍 30% Unus militumUnus militum
  45. 🔍 30% Alleluia (mode 8)Alleluia (mode 8)
  46. 🔍 30% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  47. 🔍 30% Salva nos DomineSalva nos Domine
  48. 🔍 30% Beatus ille servusBeatus ille servus
  49. 🔍 30% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  50. 🔍 30% Factus estFactus est
  51. 🔍 29% Hi sunt qui cum mulieribusHi sunt qui cum mulieribus
  52. 🔍 29% Attendite a falsisAttendite a falsis
  53. 🔍 29% Petite et accipietisPetite et accipietis
  54. 🔍 29% Ego sum pastor bonusEgo sum pastor bonus
  55. 🔍 29% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  56. 🔍 29% Venite ad meVenite ad me
  57. 🔍 29% Dum complerentur diesDum complerentur dies
  58. 🔍 29% Alleluia Faciem tuamAlleluia Faciem tuam
  59. 🔍 29% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  60. 🔍 29% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  61. 🔍 29% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  62. 🔍 29% Reddite ergoReddite ergo
  63. 🔍 29% Lux de luceLux de luce
  64. 🔍 29% Manum suamManum suam
  65. 🔍 29% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)