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% Nazaraeus vocabiturNazaraeus vocabitur
  2. 🔍 88% Nazaraeus vocabiturNazaraeus vocabitur
  3. 🔍 27% Iste puer magnusIste puer magnus
  4. 🔍 25% Christe precamurChriste precamur
  5. 🔍 25% Fratres: Convenientibus vobis in unumFratres: Convenientibus vobis in unum
  6. 🔍 24% Iste puer magnusIste puer magnus
  7. 🔍 23% Joannes vocabiturJoannes vocabitur
  8. 🔍 23% Nox atra rerumNox atra rerum
  9. 🔍 22% Rerum creator optimeRerum creator optime
  10. 🔍 22% Adesto Christe cordibusAdesto Christe cordibus
  11. 🔍 21% Consors paterniConsors paterni
  12. 🔍 21% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  13. 🔍 21% Dies aetasqueDies aetasque
  14. 🔍 21% Domine non est exaltatumDomine non est exaltatum
  15. 🔍 21% Itaque quicumque manducaveritItaque quicumque manducaverit
  16. 🔍 20% Joannes est nomenJoannes est nomen
  17. 🔍 20% Auctor perennisAuctor perennis
  18. 🔍 20% O memorialeO memoriale
  19. 🔍 20% Somno refectisSomno refectis
  20. 🔍 20% Rerum creator optimeRerum creator optime
  21. 🔍 20% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  22. 🔍 20% Joannes vocabiturJoannes vocabitur
  23. 🔍 20% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  24. 🔍 20% Non lotis manibusNon lotis manibus
  25. 🔍 20% Tu Trinitatis UnitasTu Trinitatis Unitas
  26. 🔍 20% Suscitabit DeusSuscitabit Deus
  27. 🔍 20% Joannes vocabitur nomenJoannes vocabitur nomen
  28. 🔍 20% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  29. 🔍 19% Ecce apparebit DominusEcce apparebit Dominus
  30. 🔍 19% Aeterna lux divinitasAeterna lux divinitas
  31. 🔍 19% Laeti colentes famulumLaeti colentes famulum
  32. 🔍 19% Iesu corona celsiorIesu corona celsior
  33. 🔍 19% Iesu corona celsiorIesu corona celsior
  34. 🔍 19% Iesu corona celsiorIesu corona celsior
  35. 🔍 19% Pacificus vocabiturPacificus vocabitur
  36. 🔍 19% In Domino justificabiturIn Domino justificabitur
  37. 🔍 19% Pacificus vocabiturPacificus vocabitur
  38. 🔍 19% Salvete flores MartyrumSalvete flores Martyrum
  39. 🔍 19% Joannes est nomen ejusJoannes est nomen ejus
  40. 🔍 19% Ibat Jesus in civitatemIbat Jesus in civitatem
  41. 🔍 19% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  42. 🔍 19% Ecce apparebitEcce apparebit
  43. 🔍 19% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  44. 🔍 18% Salvete flores MartyrumSalvete flores Martyrum
  45. 🔍 18% Primo dPrimo d
  46. 🔍 18% Ego DominusEgo Dominus
  47. 🔍 18% Summae Deus clementiaeSummae Deus clementiae
  48. 🔍 18% Christe Redemptor omniumChriste Redemptor omnium
  49. 🔍 18% Joannes est nomen ejusJoannes est nomen ejus
  50. 🔍 18% De Epistola...Hoc autem praecipioDe Epistola...Hoc autem praecipio
  51. 🔍 18% Primo dPrimo d
  52. 🔍 18% Ante me non estAnte me non est
  53. 🔍 18% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  54. 🔍 18% Pacificus vocabiturPacificus vocabitur
  55. 🔍 18% Ante me non estAnte me non est
  56. 🔍 18% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  57. 🔍 18% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  58. 🔍 18% Te DeumTe Deum
  59. 🔍 18% Non lotis manibusNon lotis manibus
  60. 🔍 18% Ante me non estAnte me non est
  61. 🔍 18% Ex utero senectutisEx utero senectutis
  62. 🔍 18% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  63. 🔍 18% Ecce apparebitEcce apparebit
  64. 🔍 18% In DominoIn Domino
  65. 🔍 18% Joannes vocabiturJoannes vocabitur