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% Ps. 22 Dominus Pascit mePs. 22 Dominus Pascit me
  2. 🔍 39% Dominus pascit meDominus pascit me
  3. 🔍 39% Dominus regit me (Ps.22 - Textus antiquus)Dominus regit me (Ps.22 - Textus antiquus)
  4. 🔍 35% Ps. 117 Confitemini DominoPs. 117 Confitemini Domino
  5. 🔍 33% Dominus regit meDominus regit me
  6. 🔍 32% Dominus pascit me (without repetition)Dominus pascit me (without repetition)
  7. 🔍 32% Ps. 21 Deus DeusPs. 21 Deus Deus
  8. 🔍 32% Dominus regit meDominus regit me
  9. 🔍 31% Dominus regit meDominus regit me
  10. 🔍 31% Ps. 33 Benedicam Dominum (for Ascension B)Ps. 33 Benedicam Dominum (for Ascension B)
  11. 🔍 31% Vidi aquamVidi aquam
  12. 🔍 30% Dominus regit meDominus regit me
  13. 🔍 28% Vidi aquam (B)Vidi aquam (B)
  14. 🔍 27% Ad regias Agni dapesAd regias Agni dapes
  15. 🔍 26% Dominus regit meDominus regit me
  16. 🔍 26% Dixit Dominus (Ps. 109, 8G Solemn)Dixit Dominus (Ps. 109, 8G Solemn)
  17. 🔍 26% Benedictus DominusBenedictus Dominus
  18. 🔍 26% Ad regias Agni dapesAd regias Agni dapes
  19. 🔍 25% CustodivitCustodivit
  20. 🔍 25% Rabbi quid peccavitRabbi quid peccavit
  21. 🔍 25% Ps. 23 Domini est terraPs. 23 Domini est terra
  22. 🔍 25% Ad te levaviAd te levavi
  23. 🔍 25% Qui me inveneritQui me invenerit
  24. 🔍 25% Praeclara custos VirginumPraeclara custos Virginum
  25. 🔍 25% Postquam surrexitPostquam surrexit
  26. 🔍 25% Domine ne longeDomine ne longe
  27. 🔍 24% Gloria Patri VIIIGloria Patri VIII
  28. 🔍 24% Domine ne longeDomine ne longe
  29. 🔍 24% Ad te levaviAd te levavi
  30. 🔍 24% In loco pascuaeIn loco pascuae
  31. 🔍 24% In monte olivisIn monte olivis
  32. 🔍 24% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  33. 🔍 24% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  34. 🔍 24% O Prima VirgoO Prima Virgo
  35. 🔍 24% Lux fulgebitLux fulgebit
  36. 🔍 24% Gloria Patri VIIIGloria Patri VIII
  37. 🔍 23% Aurora solis nuntiaAurora solis nuntia
  38. 🔍 23% Domine, ne longeDomine, ne longe
  39. 🔍 23% Jam morte victor obrutaJam morte victor obruta
  40. 🔍 23% Quem terra pontus aetheraQuem terra pontus aethera
  41. 🔍 23% Lex veritatisLex veritatis
  42. 🔍 23% Te Mater alma NuminisTe Mater alma Numinis
  43. 🔍 23% O prima Virgo proditaO prima Virgo prodita
  44. 🔍 23% Ps. 117 Confitemini Domino (Dominica Resurrectionis)Ps. 117 Confitemini Domino (Dominica Resurrectionis)
  45. 🔍 23% Introduxit vosIntroduxit vos
  46. 🔍 23% Aurora solis nuntiaAurora solis nuntia
  47. 🔍 23% In monte olivisIn monte olivis
  48. 🔍 23% Jam morte victorJam morte victor
  49. 🔍 23% IntroiboIntroibo
  50. 🔍 23% Te gestientem gaudiisTe gestientem gaudiis
  51. 🔍 23% Rerum Deus (BVM)Rerum Deus (BVM)
  52. 🔍 23% Quem terra pontus sideraQuem terra pontus sidera
  53. 🔍 23% A solis ortusA solis ortus
  54. 🔍 23% Ps. 77 Attendite (for Ascension A)Ps. 77 Attendite (for Ascension A)
  55. 🔍 23% O gloriosa DominaO gloriosa Domina
  56. 🔍 23% Introduxit vosIntroduxit vos
  57. 🔍 23% Primum quaeritePrimum quaerite
  58. 🔍 23% Caelestis aulae NuntiusCaelestis aulae Nuntius
  59. 🔍 23% Veni Redemptor gentiumVeni Redemptor gentium
  60. 🔍 23% Satiavit DominusSatiavit Dominus
  61. 🔍 23% Lex veritatisLex veritatis
  62. 🔍 23% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  63. 🔍 23% Venite exultemus IIIVenite exultemus III
  64. 🔍 23% Te gestientem gaudiisTe gestientem gaudiis
  65. 🔍 23% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)