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% Ante luciferum ... apparuitAnte luciferum ... apparuit
  2. 🔍 55% Ante luciferum genitusAnte luciferum genitus
  3. 🔍 48% Ante luciferum genitusAnte luciferum genitus
  4. 🔍 47% Apparuit gratiaApparuit gratia
  5. 🔍 47% Stella apparuitStella apparuit
  6. 🔍 45% Ante luciferum genitusAnte luciferum genitus
  7. 🔍 45% Ante luciferum genitusAnte luciferum genitus
  8. 🔍 44% Ante luciferum genitusAnte luciferum genitus
  9. 🔍 43% Apparuit in mundoApparuit in mundo
  10. 🔍 43% Ante luciferum genitusAnte luciferum genitus
  11. 🔍 39% Ante me non est (Mode 2*f)Ante me non est (Mode 2*f)
  12. 🔍 39% Stella nobisStella nobis
  13. 🔍 38% Ante luciferum genitusAnte luciferum genitus
  14. 🔍 38% Ante me non est (Mode 1g)Ante me non est (Mode 1g)
  15. 🔍 36% Annuntiate populisAnnuntiate populis
  16. 🔍 35% In principioIn principio
  17. 🔍 35% Ante me non estAnte me non est
  18. 🔍 35% Ante me non estAnte me non est
  19. 🔍 34% ConsolaminiConsolamini
  20. 🔍 34% Ave MariaAve Maria
  21. 🔍 34% Angelus Domini nuntiavitAngelus Domini nuntiavit
  22. 🔍 34% Confortate manusConfortate manus
  23. 🔍 33% O EmmanuelO Emmanuel
  24. 🔍 33% O EmmanuelO Emmanuel
  25. 🔍 33% Omnes gentesOmnes gentes
  26. 🔍 33% Quem vidistisQuem vidistis
  27. 🔍 33% Angelus ad pastoresAngelus ad pastores
  28. 🔍 32% Ecce ancilla DominiEcce ancilla Domini
  29. 🔍 32% Benedicta tu inBenedicta tu in
  30. 🔍 31% Domine in caeloDomine in caelo
  31. 🔍 31% Miserator DominusMiserator Dominus
  32. 🔍 31% In domum DominiIn domum Domini
  33. 🔍 31% Constantes estoteConstantes estote
  34. 🔍 31% Ad te levaviAd te levavi
  35. 🔍 30% Crastina dieCrastina die
  36. 🔍 30% Apud DominumApud Dominum
  37. 🔍 30% Ascendit DeusAscendit Deus
  38. 🔍 30% O OriensO Oriens
  39. 🔍 30% O OriensO Oriens
  40. 🔍 30% Maria et fluminaMaria et flumina
  41. 🔍 30% Tecum principiumTecum principium
  42. 🔍 30% Dominus legiferDominus legifer
  43. 🔍 30% Dominus legiferDominus legifer
  44. 🔍 30% O Rex gentiumO Rex gentium
  45. 🔍 30% O Rex gentiumO Rex gentium
  46. 🔍 30% Ex uteroEx utero
  47. 🔍 30% Ad te Domine levaviAd te Domine levavi
  48. 🔍 30% Adorate DominumAdorate Dominum
  49. 🔍 30% Amen dico vobis quia nonAmen dico vobis quia non
  50. 🔍 30% Dextera DominiDextera Domini
  51. 🔍 30% Sit nomen DominiSit nomen Domini
  52. 🔍 30% Iesus Christus heriIesus Christus heri
  53. 🔍 30% ConsolaminiConsolamini
  54. 🔍 29% Exsultemus in DominoExsultemus in Domino
  55. 🔍 29% Domine clamaviDomine clamavi
  56. 🔍 29% Caput draconisCaput draconis
  57. 🔍 29% Apertis thesaurisApertis thesauris
  58. 🔍 29% Confortate manusConfortate manus
  59. 🔍 29% Spiritus Domini superSpiritus Domini super
  60. 🔍 29% Spiritus Domini superSpiritus Domini super
  61. 🔍 29% Magnificatus estMagnificatus est
  62. 🔍 29% O AdonaiO Adonai
  63. 🔍 29% Sana DomineSana Domine
  64. 🔍 29% Dominus Deus auxiliatorDominus Deus auxiliator
  65. 🔍 29% Beati omnesBeati omnes