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% Primo dPrimo d
  2. 🔍 100% Primo dPrimo d
  3. 🔍 95% Primo dierum omniumPrimo dierum omnium
  4. 🔍 84% Primo dierumPrimo dierum
  5. 🔍 62% Summae Deus clementiaeSummae Deus clementiae
  6. 🔍 62% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  7. 🔍 59% Tu Trinitatis UnitasTu Trinitatis Unitas
  8. 🔍 59% Somno refectisSomno refectis
  9. 🔍 58% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  10. 🔍 57% Rerum creator optimeRerum creator optime
  11. 🔍 56% Nox atra rerumNox atra rerum
  12. 🔍 56% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  13. 🔍 55% Adesto Christe cordibusAdesto Christe cordibus
  14. 🔍 54% Auctor perennisAuctor perennis
  15. 🔍 54% Rerum creator optimeRerum creator optime
  16. 🔍 54% Dies aetasqueDies aetasque
  17. 🔍 53% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  18. 🔍 53% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  19. 🔍 52% Consors paterniConsors paterni
  20. 🔍 52% Christe precamurChriste precamur
  21. 🔍 51% Primo die quo TrinitasPrimo die quo Trinitas
  22. 🔍 50% Aeterna lux divinitasAeterna lux divinitas
  23. 🔍 50% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  24. 🔍 49% O sacrosancta TrinitasO sacrosancta Trinitas
  25. 🔍 49% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  26. 🔍 46% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  27. 🔍 44% Scientiarum DominoScientiarum Domino
  28. 🔍 43% Iesu corona celsiorIesu corona celsior
  29. 🔍 43% Iesu corona celsiorIesu corona celsior
  30. 🔍 43% Iesu corona celsiorIesu corona celsior
  31. 🔍 42% Laeti colentes famulumLaeti colentes famulum
  32. 🔍 38% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  33. 🔍 38% Christe Redemptor omniumChriste Redemptor omnium
  34. 🔍 38% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  35. 🔍 38% Jam lucis orto sidere (Dominicis per Annum)Jam lucis orto sidere (Dominicis per Annum)
  36. 🔍 38% Venite exsultemus IIVenite exsultemus II
  37. 🔍 37% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  38. 🔍 37% Te pater JosephTe pater Joseph
  39. 🔍 37% Jam lucis orto sidere (In Festo Corporis Christi)Jam lucis orto sidere (In Festo Corporis Christi)
  40. 🔍 36% Jam lucis orto sidere (in Nativitate Domini)Jam lucis orto sidere (in Nativitate Domini)
  41. 🔍 36% Igne divini radiansIgne divini radians
  42. 🔍 36% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  43. 🔍 36% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  44. 🔍 36% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  45. 🔍 36% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  46. 🔍 35% Sanctorum meritis 2Sanctorum meritis 2
  47. 🔍 34% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  48. 🔍 34% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  49. 🔍 34% Venite exsultemus VIVenite exsultemus VI
  50. 🔍 34% Rector potens (In Adventu)Rector potens (In Adventu)
  51. 🔍 34% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  52. 🔍 34% Christe qui splendor (in festis)Christe qui splendor (in festis)
  53. 🔍 34% Te lucis ante terminum (In Festis)Te lucis ante terminum (In Festis)
  54. 🔍 33% Jesu Salvator saeculiJesu Salvator saeculi
  55. 🔍 33% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  56. 🔍 33% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  57. 🔍 33% Jesu corona caelitumJesu corona caelitum
  58. 🔍 33% Fortem virili pectore (per annum)Fortem virili pectore (per annum)
  59. 🔍 33% Jesu Rex admirabilisJesu Rex admirabilis
  60. 🔍 33% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  61. 🔍 32% Fortem virili pectoreFortem virili pectore
  62. 🔍 32% Ad CoenamAd Coenam
  63. 🔍 32% Ad coenamAd coenam
  64. 🔍 32% En clara voxEn clara vox
  65. 🔍 32% Te lucis ante terminum (In Festis Majoribus)Te lucis ante terminum (In Festis Majoribus)