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% Genuit puerpera RegemGenuit puerpera Regem
  2. 🔍 75% Genuit puerpera regemGenuit puerpera regem
  3. 🔍 73% Genuit puerpera RegemGenuit puerpera Regem
  4. 🔍 72% Genuit puerpera RegemGenuit puerpera Regem
  5. 🔍 68% Genuit puerperaGenuit puerpera
  6. 🔍 65% Genuit puerperaGenuit puerpera
  7. 🔍 62% Genuit puerperaGenuit puerpera
  8. 🔍 39% O Virgo virginumO Virgo virginum
  9. 🔍 35% O Virgo virginumO Virgo virginum
  10. 🔍 29% O Oriens splendor lucisO Oriens splendor lucis
  11. 🔍 29% O virum ineffabilemO virum ineffabilem
  12. 🔍 27% O clavis David et sceptrumO clavis David et sceptrum
  13. 🔍 27% O virum ineffabilemO virum ineffabilem
  14. 🔍 25% O virum ineffabilemO virum ineffabilem
  15. 🔍 25% Vau. Et egressus estVau. Et egressus est
  16. 🔍 24% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  17. 🔍 24% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  18. 🔍 24% Quomodo sedet solaQuomodo sedet sola
  19. 🔍 23% O radix JesseO radix Jesse
  20. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  21. 🔍 23% O virum ineffabilemO virum ineffabilem
  22. 🔍 23% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  23. 🔍 23% Aeterna caeli gloriaAeterna caeli gloria
  24. 🔍 22% Laetamini cum JerusalemLaetamini cum Jerusalem
  25. 🔍 22% Aeterne lucis conditorAeterne lucis conditor
  26. 🔍 22% O clavis DavidO clavis David
  27. 🔍 22% Decus morumDecus morum
  28. 🔍 22% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  29. 🔍 22% Splendor paternaeSplendor paternae
  30. 🔍 22% Miserator DominusMiserator Dominus
  31. 🔍 22% Splendor paternae gloriaeSplendor paternae gloriae
  32. 🔍 22% Eterne rerumEterne rerum
  33. 🔍 22% Ego daemoniumEgo daemonium
  34. 🔍 22% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  35. 🔍 22% O Rex gentiumO Rex gentium
  36. 🔍 22% Quem vidistis pastores diciteQuem vidistis pastores dicite
  37. 🔍 22% Intravit MariaIntravit Maria
  38. 🔍 21% Dedit seDedit se
  39. 🔍 21% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  40. 🔍 21% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  41. 🔍 21% Summum RegemSummum Regem
  42. 🔍 21% Fulgentis auctor aetherisFulgentis auctor aetheris
  43. 🔍 21% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  44. 🔍 21% Adesto rerum conditorAdesto rerum conditor
  45. 🔍 21% Gentis redemptaeGentis redemptae
  46. 🔍 21% Exaltate Regem saeculorumExaltate Regem saeculorum
  47. 🔍 21% Conditor alme siderumConditor alme siderum
  48. 🔍 21% O SapientiaO Sapientia
  49. 🔍 21% Nox et tenebraeNox et tenebrae
  50. 🔍 21% Benedicamus (In I Vesperis)Benedicamus (In I Vesperis)
  51. 🔍 21% Ecce Maria genuitEcce Maria genuit
  52. 🔍 20% Vobis datum estVobis datum est
  53. 🔍 20% Praefatio solemnior de D. N. Iesu Christo RegePraefatio solemnior de D. N. Iesu Christo Rege
  54. 🔍 20% Galli cantuGalli cantu
  55. 🔍 20% Cum redirentCum redirent
  56. 🔍 20% Cantemus cuncti melodumCantemus cuncti melodum
  57. 🔍 20% Angelorum escaAngelorum esca
  58. 🔍 20% O Clavis DavidO Clavis David
  59. 🔍 20% O Doctor optimeO Doctor optime
  60. 🔍 20% Exaltate Regem regumExaltate Regem regum
  61. 🔍 20% Jam ChristeJam Christe
  62. 🔍 20% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  63. 🔍 20% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  64. 🔍 20% Praefatio solemnior de sanctissima EucharistiaPraefatio solemnior de sanctissima Eucharistia
  65. 🔍 20% Praefatio solemnior de Ascensione DominiPraefatio solemnior de Ascensione Domini