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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Post dies octoPost dies octo
  2. πŸ” 81% Post dies octo januisPost dies octo januis
  3. πŸ” 75% Post dies octoPost dies octo
  4. πŸ” 65% Post dies octoPost dies octo
  5. πŸ” 59% Post dies octoPost dies octo
  6. πŸ” 38% Post dies octoPost dies octo
  7. πŸ” 37% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  8. πŸ” 37% Gloria in excelsisGloria in excelsis
  9. πŸ” 36% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  10. πŸ” 36% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  11. πŸ” 35% Stetit Jesus in medioStetit Jesus in medio
  12. πŸ” 35% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  13. πŸ” 35% Pax vobis ego sumPax vobis ego sum
  14. πŸ” 35% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  15. πŸ” 34% Factus estFactus est
  16. πŸ” 34% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  17. πŸ” 34% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  18. πŸ” 34% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  19. πŸ” 34% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  20. πŸ” 34% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  21. πŸ” 33% Spiritus quiSpiritus qui
  22. πŸ” 33% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  23. πŸ” 33% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  24. πŸ” 33% Confirma hoc Deus... alleluiaConfirma hoc Deus... alleluia
  25. πŸ” 33% Apertis thesaurisApertis thesauris
  26. πŸ” 33% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  27. πŸ” 33% Beatus ille servusBeatus ille servus
  28. πŸ” 33% Dixit Dominus DominoDixit Dominus Domino
  29. πŸ” 32% Cum esset seroCum esset sero
  30. πŸ” 32% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  31. πŸ” 32% Alleluia LaudateAlleluia Laudate
  32. πŸ” 32% Si manseritis in meSi manseritis in me
  33. πŸ” 32% Si diligitis meSi diligitis me
  34. πŸ” 32% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  35. πŸ” 31% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  36. πŸ” 31% Adorate DominumAdorate Dominum
  37. πŸ” 31% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  38. πŸ” 31% Pax vobis ego sumPax vobis ego sum
  39. πŸ” 31% LaetareLaetare
  40. πŸ” 30% Ne timeasNe timeas
  41. πŸ” 30% Lux de luceLux de luce
  42. πŸ” 30% Sancti et justiSancti et justi
  43. πŸ” 30% Alleluia (mode 8)Alleluia (mode 8)
  44. πŸ” 30% Misit Dominus…de manuMisit Dominus…de manu
  45. πŸ” 30% Alleluia Lapis revolutusAlleluia Lapis revolutus
  46. πŸ” 30% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  47. πŸ” 29% Erat autem aspectusErat autem aspectus
  48. πŸ” 29% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  49. πŸ” 29% Emitte spiritumEmitte spiritum
  50. πŸ” 29% Angelis suisAngelis suis
  51. πŸ” 29% Ne timeas... alleluiaNe timeas... alleluia
  52. πŸ” 29% Ingressus AngelusIngressus Angelus
  53. πŸ” 29% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  54. πŸ” 29% Veni electa meaVeni electa mea
  55. πŸ” 29% Tulerunt DominumTulerunt Dominum
  56. πŸ” 29% Ecce Dominus noster... ut illuminetEcce Dominus noster... ut illuminet
  57. πŸ” 29% Omnes de SabaOmnes de Saba
  58. πŸ” 29% Stetit JesusStetit Jesus
  59. πŸ” 29% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  60. πŸ” 29% Facta estFacta est
  61. πŸ” 29% Dixit Jesus discipulisDixit Jesus discipulis
  62. πŸ” 29% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  63. πŸ” 29% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  64. πŸ” 29% In velamento clamabantIn velamento clamabant
  65. πŸ” 29% Alleluia tuus sum ego. (Sundays throughout the year at Sext)Alleluia tuus sum ego. (Sundays throughout the year at Sext)