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% O sacrosancta TrinitasO sacrosancta Trinitas
  2. 🔍 61% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  3. 🔍 57% Christe precamurChriste precamur
  4. 🔍 56% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  5. 🔍 56% Aeterna lux divinitasAeterna lux divinitas
  6. 🔍 55% Rerum creator optimeRerum creator optime
  7. 🔍 55% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  8. 🔍 55% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  9. 🔍 54% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  10. 🔍 53% Somno refectisSomno refectis
  11. 🔍 53% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  12. 🔍 52% Auctor perennisAuctor perennis
  13. 🔍 52% Tu Trinitatis UnitasTu Trinitatis Unitas
  14. 🔍 52% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  15. 🔍 50% Summae Deus clementiaeSummae Deus clementiae
  16. 🔍 50% Scientiarum DominoScientiarum Domino
  17. 🔍 49% Primo dPrimo d
  18. 🔍 49% Primo dPrimo d
  19. 🔍 49% Rerum creator optimeRerum creator optime
  20. 🔍 48% Adesto Christe cordibusAdesto Christe cordibus
  21. 🔍 48% Dies aetasqueDies aetasque
  22. 🔍 47% Consors paterniConsors paterni
  23. 🔍 47% Primo dierumPrimo dierum
  24. 🔍 47% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  25. 🔍 47% Primo dierum omniumPrimo dierum omnium
  26. 🔍 46% Nox atra rerumNox atra rerum
  27. 🔍 39% Iesu corona celsiorIesu corona celsior
  28. 🔍 39% Iesu corona celsiorIesu corona celsior
  29. 🔍 38% Iesu corona celsiorIesu corona celsior
  30. 🔍 37% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  31. 🔍 37% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  32. 🔍 36% Laeti colentes famulumLaeti colentes famulum
  33. 🔍 34% Rector potens (In Adventu)Rector potens (In Adventu)
  34. 🔍 34% Christe Redemptor omniumChriste Redemptor omnium
  35. 🔍 34% Pergrata mundoPergrata mundo
  36. 🔍 33% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  37. 🔍 33% Aeterna caeli gloriaAeterna caeli gloria
  38. 🔍 32% Rerum Deus tenax (dom.)Rerum Deus tenax (dom.)
  39. 🔍 32% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  40. 🔍 32% Rerum Deus tenax vigor (In Feriis per annum)Rerum Deus tenax vigor (In Feriis per annum)
  41. 🔍 31% Nunc Sancte nobis Spiritus (In Adventu)Nunc Sancte nobis Spiritus (In Adventu)
  42. 🔍 31% Te pater JosephTe pater Joseph
  43. 🔍 31% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  44. 🔍 31% Rector potens (dom.)Rector potens (dom.)
  45. 🔍 31% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  46. 🔍 31% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  47. 🔍 30% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  48. 🔍 30% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  49. 🔍 30% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  50. 🔍 30% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  51. 🔍 30% Rector potens verax Deus (In Feriis per annum)Rector potens verax Deus (In Feriis per annum)
  52. 🔍 30% Immense caeliImmense caeli
  53. 🔍 30% Primo die quo TrinitasPrimo die quo Trinitas
  54. 🔍 29% Jesu corona caelitumJesu corona caelitum
  55. 🔍 29% Jesu Salvator saeculiJesu Salvator saeculi
  56. 🔍 29% Plasmator hominisPlasmator hominis
  57. 🔍 29% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  58. 🔍 28% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  59. 🔍 28% En clara voxEn clara vox
  60. 🔍 28% Jesu Rex admirabilisJesu Rex admirabilis
  61. 🔍 28% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  62. 🔍 28% En clara voxEn clara vox
  63. 🔍 28% Aeterne lucis conditorAeterne lucis conditor
  64. 🔍 27% Aurora iamAurora iam
  65. 🔍 27% Ad cenamAd cenam