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% Magnum mysteriumMagnum mysterium
  2. 🔍 76% Magnum mysteriumMagnum mysterium
  3. 🔍 69% Magnum mysterium declaraturMagnum mysterium declaratur
  4. 🔍 61% Magnum mysteriumMagnum mysterium
  5. 🔍 60% Magnum mysteriumMagnum mysterium
  6. 🔍 42% Caput draconisCaput draconis
  7. 🔍 37% Peccati aculeusPeccati aculeus
  8. 🔍 29% Mysterium fideiMysterium fidei
  9. 🔍 28% Dominum Deum Dominum Deum
  10. 🔍 28% Ex AEgypto Ex AEgypto
  11. 🔍 25% Mysterium fideiMysterium fidei
  12. 🔍 25% Magnum haereditatis mysteriumMagnum haereditatis mysterium
  13. 🔍 24% Pater noster (B)Pater noster (B)
  14. 🔍 24% Alleluia audiviAlleluia audivi
  15. 🔍 24% Mirabile mysteriumMirabile mysterium
  16. 🔍 24% Sicut exaltatus est Sicut exaltatus est
  17. 🔍 23% Evigila super nosEvigila super nos
  18. 🔍 23% Mirabile mysteriumMirabile mysterium
  19. 🔍 23% Ecce ascendimus... et FiliusEcce ascendimus... et Filius
  20. 🔍 22% Sedes tuaSedes tua
  21. 🔍 21% Reddite ergoReddite ergo
  22. 🔍 21% Israel potestas eiusIsrael potestas eius
  23. 🔍 20% Qui majorQui major
  24. 🔍 20% Mysterium fideiMysterium fidei
  25. 🔍 20% Pater noster (ferialis)Pater noster (ferialis)
  26. 🔍 19% In Israel magnumIn Israel magnum
  27. 🔍 19% MirabileMirabile
  28. 🔍 19% Ostende nobis DomineOstende nobis Domine
  29. 🔍 19% Dixit paterfamiliasDixit paterfamilias
  30. 🔍 19% Vos estis lux mundiVos estis lux mundi
  31. 🔍 19% Deus in adiutorium (tonus ferialis)Deus in adiutorium (tonus ferialis)
  32. 🔍 19% Magnum hereditatisMagnum hereditatis
  33. 🔍 19% Exortum est (Epiphany)Exortum est (Epiphany)
  34. 🔍 19% Mysterium EcclesiaeMysterium Ecclesiae
  35. 🔍 19% Magnum hereditatisMagnum hereditatis
  36. 🔍 19% Praecursor IoannesPraecursor Ioannes
  37. 🔍 18% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  38. 🔍 18% Ecce nunc tempusEcce nunc tempus
  39. 🔍 18% Pater noster (C)Pater noster (C)
  40. 🔍 18% Domine ostendeDomine ostende
  41. 🔍 18% Tradetur enim gentibusTradetur enim gentibus
  42. 🔍 18% Amen dico vobis quia non Amen dico vobis quia non
  43. 🔍 18% Domine Rex omnipotens Domine Rex omnipotens
  44. 🔍 18% Praecursor JoannesPraecursor Joannes
  45. 🔍 18% Audi benigne Conditor Audi benigne Conditor
  46. 🔍 18% Attende DomineAttende Domine
  47. 🔍 18% Angelus ad pastoresAngelus ad pastores
  48. 🔍 18% Veni Domine et noli (Ant.)Veni Domine et noli (Ant.)
  49. 🔍 18% Mysterium fidei Salvator mundiMysterium fidei Salvator mundi
  50. 🔍 18% Dum sacrum mysteriumDum sacrum mysterium
  51. 🔍 18% Redemisti nos DomineRedemisti nos Domine
  52. 🔍 18% Tu es viaTu es via
  53. 🔍 17% Lauda... qui posuitLauda... qui posuit
  54. 🔍 17% Mirabile mysteriumMirabile mysterium
  55. 🔍 17% Dixit Iesus ad legisperitosDixit Iesus ad legisperitos
  56. 🔍 17% Mirabile mysteriumMirabile mysterium
  57. 🔍 17% Pater Noster (festivus)Pater Noster (festivus)
  58. 🔍 17% Veterem hominemVeterem hominem
  59. 🔍 17% Dum sacrum mysteriumDum sacrum mysterium
  60. 🔍 17% Jesu nostra redemptioJesu nostra redemptio
  61. 🔍 17% Pater Noster (ferialis)Pater Noster (ferialis)
  62. 🔍 17% Pater noster (Ad Laudes et Vesperas)Pater noster (Ad Laudes et Vesperas)
  63. 🔍 17% Libera nosLibera nos
  64. 🔍 17% Peccata meaPeccata mea
  65. 🔍 16% Verbum supernumVerbum supernum