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% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  2. 🔍 95% Summae Deus clementiaeSummae Deus clementiae
  3. 🔍 62% Primo dPrimo d
  4. 🔍 62% Primo dPrimo d
  5. 🔍 61% Somno refectisSomno refectis
  6. 🔍 60% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  7. 🔍 59% Tu Trinitatis UnitasTu Trinitatis Unitas
  8. 🔍 59% Primo dierum omniumPrimo dierum omnium
  9. 🔍 58% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  10. 🔍 57% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  11. 🔍 57% Primo dierumPrimo dierum
  12. 🔍 57% Rerum creator optimeRerum creator optime
  13. 🔍 56% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  14. 🔍 55% Auctor perennisAuctor perennis
  15. 🔍 55% Nox atra rerumNox atra rerum
  16. 🔍 55% Adesto Christe cordibusAdesto Christe cordibus
  17. 🔍 55% Dies aetasqueDies aetasque
  18. 🔍 54% Consors paterniConsors paterni
  19. 🔍 54% Rerum creator optimeRerum creator optime
  20. 🔍 53% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  21. 🔍 53% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  22. 🔍 53% Christe precamurChriste precamur
  23. 🔍 52% Aeterna lux divinitasAeterna lux divinitas
  24. 🔍 52% O sacrosancta TrinitasO sacrosancta Trinitas
  25. 🔍 51% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  26. 🔍 50% Summae Parens clementiaeSummae Parens clementiae
  27. 🔍 46% Scientiarum DominoScientiarum Domino
  28. 🔍 41% Iesu corona celsiorIesu corona celsior
  29. 🔍 41% Iesu corona celsiorIesu corona celsior
  30. 🔍 41% Iesu corona celsiorIesu corona celsior
  31. 🔍 39% Rector potens (In Adventu)Rector potens (In Adventu)
  32. 🔍 39% Laeti colentes famulumLaeti colentes famulum
  33. 🔍 39% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  34. 🔍 39% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  35. 🔍 39% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  36. 🔍 38% Christe Redemptor omniumChriste Redemptor omnium
  37. 🔍 38% Te pater JosephTe pater Joseph
  38. 🔍 38% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  39. 🔍 36% Primo die quo TrinitasPrimo die quo Trinitas
  40. 🔍 35% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  41. 🔍 35% Jesu corona caelitumJesu corona caelitum
  42. 🔍 34% Nunc Sancte nobis Spiritus (In Adventu)Nunc Sancte nobis Spiritus (In Adventu)
  43. 🔍 34% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  44. 🔍 34% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  45. 🔍 34% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  46. 🔍 33% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  47. 🔍 33% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  48. 🔍 33% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  49. 🔍 33% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  50. 🔍 33% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  51. 🔍 32% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  52. 🔍 31% Jesu Salvator saeculiJesu Salvator saeculi
  53. 🔍 31% En clara voxEn clara vox
  54. 🔍 30% Jesu Rex admirabilisJesu Rex admirabilis
  55. 🔍 30% En clara voxEn clara vox
  56. 🔍 30% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  57. 🔍 30% Pergrata mundoPergrata mundo
  58. 🔍 29% Salvete flores MartyrumSalvete flores Martyrum
  59. 🔍 29% Adesto rerum conditorAdesto rerum conditor
  60. 🔍 29% Ad cenamAd cenam
  61. 🔍 29% Factus est (cum alleluia)Factus est (cum alleluia)
  62. 🔍 29% Rector potens verax Deus (In Quadragesima)Rector potens verax Deus (In Quadragesima)
  63. 🔍 29% Tantum ergo IIITantum ergo III
  64. 🔍 29% Ad coenamAd coenam
  65. 🔍 29% Ad CoenamAd Coenam