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: 2025-12-20. 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% Surrexit Pastor bonusSurrexit Pastor bonus
  2. 🔍 33% Haec est diesHaec est dies
  3. 🔍 27% Levita LaurentiusLevita Laurentius
  4. 🔍 27% LaetabiturLaetabitur
  5. 🔍 27% Pastor bonusPastor bonus
  6. 🔍 26% Tollite jugumTollite jugum
  7. 🔍 25% Sanctificavit (verses)Sanctificavit (verses)
  8. 🔍 25% Surrexit Pastor bonusSurrexit Pastor bonus
  9. 🔍 24% Candor aeternaeCandor aeternae
  10. 🔍 24% DispersitDispersit
  11. 🔍 24% Gloria IGloria I
  12. 🔍 23% Tu gloriaTu gloria
  13. 🔍 23% Adjutor et protectorAdjutor et protector
  14. 🔍 23% Caro mea vereCaro mea vere
  15. 🔍 22% O rex aeterne DomineO rex aeterne Domine
  16. 🔍 22% Ad cenamAd cenam
  17. 🔍 22% Tu gloria JerusalemTu gloria Jerusalem
  18. 🔍 22% AnnuntiateAnnuntiate
  19. 🔍 22% O lux et decusO lux et decus
  20. 🔍 22% In odoremIn odorem
  21. 🔍 22% Beata AgathaBeata Agatha
  22. 🔍 22% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  23. 🔍 22% Surrexit pastor bonusSurrexit pastor bonus
  24. 🔍 22% In martyris LaurentiiIn martyris Laurentii
  25. 🔍 22% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  26. 🔍 22% Deus creator omniumDeus creator omnium
  27. 🔍 21% Concede nobis DomineConcede nobis Domine
  28. 🔍 21% Ego sum pastor bonusEgo sum pastor bonus
  29. 🔍 21% Lucis Creator optime (in Hieme)Lucis Creator optime (in Hieme)
  30. 🔍 21% Festum celebre martyrisFestum celebre martyris
  31. 🔍 21% O quam suavisO quam suavis
  32. 🔍 21% Te Deum PatremTe Deum Patrem
  33. 🔍 21% Oravi DeumOravi Deum
  34. 🔍 21% Gloriosus Dei amicusGloriosus Dei amicus
  35. 🔍 21% Dum tuas festoDum tuas festo
  36. 🔍 21% Iesu quadragenariaeIesu quadragenariae
  37. 🔍 21% AntoninusAntoninus
  38. 🔍 21% Averte faciemAverte faciem
  39. 🔍 21% Mirabilis DeusMirabilis Deus
  40. 🔍 21% Exsultabo in JerusalemExsultabo in Jerusalem
  41. 🔍 21% Deus creator omniumDeus creator omnium
  42. 🔍 21% Filii tuiFilii tui
  43. 🔍 21% O MartineO Martine
  44. 🔍 21% Haec est diesHaec est dies
  45. 🔍 21% Felix namqueFelix namque
  46. 🔍 21% Vado ad eum... sed quiaVado ad eum... sed quia
  47. 🔍 20% Veni Redemptor gentiumVeni Redemptor gentium
  48. 🔍 20% Resurrexit Dominus auctor lucisResurrexit Dominus auctor lucis
  49. 🔍 20% In Deo laudaboIn Deo laudabo
  50. 🔍 20% A solis ortusA solis ortus
  51. 🔍 20% StatuitStatuit
  52. 🔍 20% Felix namque esFelix namque es
  53. 🔍 20% Auctor beate saeculiAuctor beate saeculi
  54. 🔍 20% De necessitatibusDe necessitatibus
  55. 🔍 20% Dedit illiDedit illi
  56. 🔍 20% Vocem jucunditatisVocem jucunditatis
  57. 🔍 20% Ad coenamAd coenam
  58. 🔍 20% Ad CoenamAd Coenam
  59. 🔍 20% Aeterne Rex altissimeAeterne Rex altissime
  60. 🔍 20% Gloriose PaterGloriose Pater
  61. 🔍 20% Loquens JosephLoquens Joseph
  62. 🔍 20% Factus est (cum alleluia)Factus est (cum alleluia)
  63. 🔍 20% Sicut oculiSicut oculi
  64. 🔍 20% Pastor bonus animamPastor bonus animam
  65. 🔍 20% Magnus sanctus PaulusMagnus sanctus Paulus