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% Dies aetasqueDies aetasque
  2. 🔍 94% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  3. 🔍 56% Rerum creator optimeRerum creator optime
  4. 🔍 55% Somno refectisSomno refectis
  5. 🔍 55% Nox atra rerumNox atra rerum
  6. 🔍 55% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  7. 🔍 55% Auctor perennisAuctor perennis
  8. 🔍 55% Summae Deus clementiaeSummae Deus clementiae
  9. 🔍 54% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  10. 🔍 54% Aeterna lux divinitasAeterna lux divinitas
  11. 🔍 54% Primo dPrimo d
  12. 🔍 54% Primo dPrimo d
  13. 🔍 54% Christe precamurChriste precamur
  14. 🔍 53% Primo dierumPrimo dierum
  15. 🔍 53% Tu Trinitatis UnitasTu Trinitatis Unitas
  16. 🔍 53% Rerum creator optimeRerum creator optime
  17. 🔍 53% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  18. 🔍 52% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  19. 🔍 51% Adesto Christe cordibusAdesto Christe cordibus
  20. 🔍 50% Primo dierum omniumPrimo dierum omnium
  21. 🔍 50% Consors paterniConsors paterni
  22. 🔍 49% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  23. 🔍 48% O sacrosancta TrinitasO sacrosancta Trinitas
  24. 🔍 47% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  25. 🔍 46% Scientiarum DominoScientiarum Domino
  26. 🔍 44% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  27. 🔍 43% Iesu corona celsiorIesu corona celsior
  28. 🔍 43% Iesu corona celsiorIesu corona celsior
  29. 🔍 43% Iesu corona celsiorIesu corona celsior
  30. 🔍 40% Laeti colentes famulumLaeti colentes famulum
  31. 🔍 38% Te pater JosephTe pater Joseph
  32. 🔍 37% Christe Redemptor omniumChriste Redemptor omnium
  33. 🔍 36% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  34. 🔍 36% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  35. 🔍 36% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  36. 🔍 35% Jesu Rex admirabilisJesu Rex admirabilis
  37. 🔍 35% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  38. 🔍 34% Jesu corona caelitumJesu corona caelitum
  39. 🔍 34% Ad cenamAd cenam
  40. 🔍 34% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  41. 🔍 33% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  42. 🔍 33% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  43. 🔍 33% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  44. 🔍 32% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  45. 🔍 32% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  46. 🔍 32% Jesu Salvator saeculiJesu Salvator saeculi
  47. 🔍 31% Salvete flores MartyrumSalvete flores Martyrum
  48. 🔍 31% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  49. 🔍 31% En clara voxEn clara vox
  50. 🔍 31% Veni o SapientiaVeni o Sapientia
  51. 🔍 30% Salvete flores MartyrumSalvete flores Martyrum
  52. 🔍 30% En clara voxEn clara vox
  53. 🔍 30% Ad regias Agni dapesAd regias Agni dapes
  54. 🔍 30% Litaniae SS. Cordis JesuLitaniae SS. Cordis Jesu
  55. 🔍 30% Te Matrem laudamusTe Matrem laudamus
  56. 🔍 30% Primo die quo TrinitasPrimo die quo Trinitas
  57. 🔍 30% Te DeumTe Deum
  58. 🔍 29% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  59. 🔍 29% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  60. 🔍 29% Ad coenamAd coenam
  61. 🔍 29% Ad CoenamAd Coenam
  62. 🔍 29% Te DeumTe Deum
  63. 🔍 29% Te DeumTe Deum
  64. 🔍 29% Ad regias Agni dapesAd regias Agni dapes
  65. 🔍 29% Rector potens (In Adventu)Rector potens (In Adventu)