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% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  2. 🔍 90% Adesto Christe cordibusAdesto Christe cordibus
  3. 🔍 67% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  4. 🔍 65% Christe precamurChriste precamur
  5. 🔍 65% Rerum creator optimeRerum creator optime
  6. 🔍 62% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  7. 🔍 60% Rerum creator optimeRerum creator optime
  8. 🔍 58% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  9. 🔍 57% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  10. 🔍 56% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  11. 🔍 55% Auctor perennisAuctor perennis
  12. 🔍 54% O sacrosancta TrinitasO sacrosancta Trinitas
  13. 🔍 53% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  14. 🔍 53% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  15. 🔍 53% Nox atra rerumNox atra rerum
  16. 🔍 52% Consors paterniConsors paterni
  17. 🔍 52% Aeterna lux divinitasAeterna lux divinitas
  18. 🔍 52% Primo dierumPrimo dierum
  19. 🔍 51% Tu Trinitatis UnitasTu Trinitatis Unitas
  20. 🔍 51% Summae Deus clementiaeSummae Deus clementiae
  21. 🔍 51% Somno refectisSomno refectis
  22. 🔍 50% Primo dPrimo d
  23. 🔍 50% Primo dPrimo d
  24. 🔍 49% Scientiarum DominoScientiarum Domino
  25. 🔍 47% Primo dierum omniumPrimo dierum omnium
  26. 🔍 47% Dies aetasqueDies aetasque
  27. 🔍 39% Aeterna caeli gloriaAeterna caeli gloria
  28. 🔍 37% Iesu corona celsiorIesu corona celsior
  29. 🔍 37% Iesu corona celsiorIesu corona celsior
  30. 🔍 37% Iesu corona celsiorIesu corona celsior
  31. 🔍 35% Pergrata mundoPergrata mundo
  32. 🔍 35% Christe Redemptor omniumChriste Redemptor omnium
  33. 🔍 34% Adesto rerum conditorAdesto rerum conditor
  34. 🔍 34% Laeti colentes famulumLaeti colentes famulum
  35. 🔍 34% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  36. 🔍 33% Nox et tenebraeNox et tenebrae
  37. 🔍 32% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  38. 🔍 32% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  39. 🔍 32% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  40. 🔍 32% Adesto rerum conditorAdesto rerum conditor
  41. 🔍 32% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  42. 🔍 32% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  43. 🔍 31% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  44. 🔍 31% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  45. 🔍 31% Rector potens (In Adventu)Rector potens (In Adventu)
  46. 🔍 30% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  47. 🔍 30% Ad cenamAd cenam
  48. 🔍 30% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  49. 🔍 30% Primo die quo TrinitasPrimo die quo Trinitas
  50. 🔍 30% Te pater JosephTe pater Joseph
  51. 🔍 30% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  52. 🔍 30% Ales diei nuntiusAles diei nuntius
  53. 🔍 29% Litaniae SS. Cordis JesuLitaniae SS. Cordis Jesu
  54. 🔍 29% Jesu Salvator saeculiJesu Salvator saeculi
  55. 🔍 29% Splendor paternaeSplendor paternae
  56. 🔍 29% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  57. 🔍 28% Gloria IIGloria II
  58. 🔍 28% Iesu redemptor saeculi TPIesu redemptor saeculi TP
  59. 🔍 28% Salvete flores MartyrumSalvete flores Martyrum
  60. 🔍 28% Nunc Sancte nobis Spiritus (In Adventu)Nunc Sancte nobis Spiritus (In Adventu)
  61. 🔍 28% Lucis LargitorLucis Largitor
  62. 🔍 28% Rector potens (dom.)Rector potens (dom.)
  63. 🔍 28% Salvete flores MartyrumSalvete flores Martyrum
  64. 🔍 28% Rerum Deus tenax (dom.)Rerum Deus tenax (dom.)
  65. 🔍 28% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)