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% Rerum creator optimeRerum creator optime
  2. 🔍 98% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  3. 🔍 94% Rerum creator optimeRerum creator optime
  4. 🔍 65% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  5. 🔍 63% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  6. 🔍 63% Adesto Christe cordibusAdesto Christe cordibus
  7. 🔍 62% Christe precamurChriste precamur
  8. 🔍 59% Nox atra rerumNox atra rerum
  9. 🔍 58% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  10. 🔍 57% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  11. 🔍 57% Tu Trinitatis UnitasTu Trinitatis Unitas
  12. 🔍 56% Primo dierumPrimo dierum
  13. 🔍 56% Consors paterniConsors paterni
  14. 🔍 56% Auctor perennisAuctor perennis
  15. 🔍 55% O sacrosancta TrinitasO sacrosancta Trinitas
  16. 🔍 55% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  17. 🔍 55% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  18. 🔍 54% Summae Deus clementiaeSummae Deus clementiae
  19. 🔍 54% Aeterna lux divinitasAeterna lux divinitas
  20. 🔍 54% Somno refectisSomno refectis
  21. 🔍 54% Rerum Creator optimeRerum Creator optime
  22. 🔍 54% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  23. 🔍 54% Primo dPrimo d
  24. 🔍 54% Primo dPrimo d
  25. 🔍 53% Scientiarum DominoScientiarum Domino
  26. 🔍 53% Dies aetasqueDies aetasque
  27. 🔍 51% Primo dierum omniumPrimo dierum omnium
  28. 🔍 40% Iesu corona celsiorIesu corona celsior
  29. 🔍 39% Iesu corona celsiorIesu corona celsior
  30. 🔍 39% Iesu corona celsiorIesu corona celsior
  31. 🔍 39% Laeti colentes famulumLaeti colentes famulum
  32. 🔍 36% Christe Redemptor omniumChriste Redemptor omnium
  33. 🔍 36% Pergrata mundoPergrata mundo
  34. 🔍 35% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  35. 🔍 35% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  36. 🔍 34% Te pater JosephTe pater Joseph
  37. 🔍 34% Aeterna caeli gloriaAeterna caeli gloria
  38. 🔍 33% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  39. 🔍 33% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  40. 🔍 33% Primo die quo TrinitasPrimo die quo Trinitas
  41. 🔍 33% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  42. 🔍 33% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  43. 🔍 33% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  44. 🔍 33% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  45. 🔍 32% Jesu corona caelitumJesu corona caelitum
  46. 🔍 32% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  47. 🔍 32% Ex more docti mysticoEx more docti mystico
  48. 🔍 32% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  49. 🔍 32% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  50. 🔍 32% Adesto rerum conditorAdesto rerum conditor
  51. 🔍 32% Nox et tenebraeNox et tenebrae
  52. 🔍 32% O sator rerumO sator rerum
  53. 🔍 31% Jesu Salvator saeculiJesu Salvator saeculi
  54. 🔍 31% Gloria IIGloria II
  55. 🔍 31% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  56. 🔍 30% Ales diei nuntiusAles diei nuntius
  57. 🔍 30% Ad cenamAd cenam
  58. 🔍 30% Rector potens (In Adventu)Rector potens (In Adventu)
  59. 🔍 30% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  60. 🔍 29% Salvete flores MartyrumSalvete flores Martyrum
  61. 🔍 29% En clara voxEn clara vox
  62. 🔍 29% Ales diei nuntiusAles diei nuntius
  63. 🔍 29% Nunc Sancte nobis Spiritus (In Adventu)Nunc Sancte nobis Spiritus (In Adventu)
  64. 🔍 29% Litaniae SS. Cordis JesuLitaniae SS. Cordis Jesu
  65. 🔍 29% Galli cantuGalli cantu