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