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% Tu Trinitatis UnitasTu Trinitatis Unitas
  2. 🔍 86% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  3. 🔍 65% Rerum creator optimeRerum creator optime
  4. 🔍 61% Summae Deus clementiaeSummae Deus clementiae
  5. 🔍 61% Somno refectisSomno refectis
  6. 🔍 60% Nox atra rerumNox atra rerum
  7. 🔍 60% Primo dPrimo d
  8. 🔍 59% Primo dPrimo d
  9. 🔍 59% Primo dierumPrimo dierum
  10. 🔍 59% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  11. 🔍 58% Consors paterniConsors paterni
  12. 🔍 57% Rerum creator optimeRerum creator optime
  13. 🔍 57% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  14. 🔍 56% Adesto Christe cordibusAdesto Christe cordibus
  15. 🔍 56% Primo dierum omniumPrimo dierum omnium
  16. 🔍 55% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  17. 🔍 55% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  18. 🔍 54% Christe precamurChriste precamur
  19. 🔍 53% Dies aetasqueDies aetasque
  20. 🔍 53% Aeterna lux divinitasAeterna lux divinitas
  21. 🔍 52% Auctor perennisAuctor perennis
  22. 🔍 52% O sacrosancta TrinitasO sacrosancta Trinitas
  23. 🔍 51% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  24. 🔍 49% Tu Trinitatis unitasTu Trinitatis unitas
  25. 🔍 49% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  26. 🔍 47% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  27. 🔍 45% Iesu corona celsiorIesu corona celsior
  28. 🔍 45% Iesu corona celsiorIesu corona celsior
  29. 🔍 45% Scientiarum DominoScientiarum Domino
  30. 🔍 45% Iesu corona celsiorIesu corona celsior
  31. 🔍 43% Christe Redemptor omniumChriste Redemptor omnium
  32. 🔍 42% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  33. 🔍 41% Laeti colentes famulumLaeti colentes famulum
  34. 🔍 41% Jesu Salvator saeculiJesu Salvator saeculi
  35. 🔍 38% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  36. 🔍 38% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  37. 🔍 38% Te pater JosephTe pater Joseph
  38. 🔍 37% Rector potens (In Adventu)Rector potens (In Adventu)
  39. 🔍 36% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  40. 🔍 36% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  41. 🔍 36% Jesu corona caelitumJesu corona caelitum
  42. 🔍 36% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  43. 🔍 36% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii
  44. 🔍 36% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  45. 🔍 36% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini
  46. 🔍 36% Exsultet iam angelicaExsultet iam angelica
  47. 🔍 36% Ad cenamAd cenam
  48. 🔍 36% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  49. 🔍 36% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  50. 🔍 35% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  51. 🔍 35% Te DeumTe Deum
  52. 🔍 35% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  53. 🔍 35% Conditor alme siderumConditor alme siderum
  54. 🔍 35% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  55. 🔍 35% Praefatio Paschalis IIPraefatio Paschalis II
  56. 🔍 35% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  57. 🔍 35% Exsultet jam AngelicaExsultet jam Angelica
  58. 🔍 34% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  59. 🔍 34% Primo die quo TrinitasPrimo die quo Trinitas
  60. 🔍 34% Praefatio de Dominicis per annum IIPraefatio de Dominicis per annum II
  61. 🔍 34% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  62. 🔍 33% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  63. 🔍 33% Praefatio de Dominicis per annum VPraefatio de Dominicis per annum V
  64. 🔍 33% Praefatio solemnis de Nativitate DominiPraefatio solemnis de Nativitate Domini
  65. 🔍 33% Praefatio de Dominicis per annum IVPraefatio de Dominicis per annum IV