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% Oportebat pati ChristumOportebat pati Christum
  2. 🔍 38% Oportebat pati ChristumOportebat pati Christum
  3. 🔍 22% Gloria (ad lib.) II.Gloria (ad lib.) II.
  4. 🔍 22% Tu Trinitatis UnitasTu Trinitatis Unitas
  5. 🔍 21% Dies aetasqueDies aetasque
  6. 🔍 21% Nox atra rerumNox atra rerum
  7. 🔍 21% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  8. 🔍 21% Rerum creator optimeRerum creator optime
  9. 🔍 20% AdducenturAdducentur
  10. 🔍 20% Somno refectisSomno refectis
  11. 🔍 20% Primo dPrimo d
  12. 🔍 20% Primo dPrimo d
  13. 🔍 20% Summae Deus clementiaeSummae Deus clementiae
  14. 🔍 20% Erit vobisErit vobis
  15. 🔍 20% Dominus fortitudoDominus fortitudo
  16. 🔍 20% Narrabo omniaNarrabo omnia
  17. 🔍 20% Auctor perennisAuctor perennis
  18. 🔍 20% Primo dierumPrimo dierum
  19. 🔍 20% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  20. 🔍 20% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  21. 🔍 20% Bonitas DominiBonitas Domini
  22. 🔍 19% Primo dierum omniumPrimo dierum omnium
  23. 🔍 19% Iesu corona celsiorIesu corona celsior
  24. 🔍 19% Iesu corona celsiorIesu corona celsior
  25. 🔍 19% Consors paterniConsors paterni
  26. 🔍 19% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  27. 🔍 19% Iesu corona celsiorIesu corona celsior
  28. 🔍 19% Speciosus... Filiae regumSpeciosus... Filiae regum
  29. 🔍 19% Veni et ostendeVeni et ostende
  30. 🔍 19% Honora DominumHonora Dominum
  31. 🔍 19% Aeterna lux divinitasAeterna lux divinitas
  32. 🔍 19% Christe precamurChriste precamur
  33. 🔍 19% Simon JoannisSimon Joannis
  34. 🔍 19% Rerum creator optimeRerum creator optime
  35. 🔍 19% Adesto Christe cordibusAdesto Christe cordibus
  36. 🔍 19% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  37. 🔍 19% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  38. 🔍 18% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  39. 🔍 18% Speciosus... EructavitSpeciosus... Eructavit
  40. 🔍 18% Inclina DomineInclina Domine
  41. 🔍 18% Oportebat patiOportebat pati
  42. 🔍 18% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  43. 🔍 18% Oportebat pati ChristumOportebat pati Christum
  44. 🔍 18% Cantate DominoCantate Domino
  45. 🔍 18% Vultum tuumVultum tuum
  46. 🔍 18% Laeti colentes famulumLaeti colentes famulum
  47. 🔍 18% Dirigatur oratio meaDirigatur oratio mea
  48. 🔍 18% Terribilis estTerribilis est
  49. 🔍 17% Domus meaDomus mea
  50. 🔍 17% Animam meamAnimam meam
  51. 🔍 17% Domine Jesu Christe (Off.)Domine Jesu Christe (Off.)
  52. 🔍 17% Sedebit DominusSedebit Dominus
  53. 🔍 17% Exsurge Domine adjuvaExsurge Domine adjuva
  54. 🔍 17% Juravit DominusJuravit Dominus
  55. 🔍 17% Gaudete cum alleluiaGaudete cum alleluia
  56. 🔍 17% Lex DominiLex Domini
  57. 🔍 17% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  58. 🔍 17% Factus est (cum alleluia)Factus est (cum alleluia)
  59. 🔍 17% Beata gensBeata gens
  60. 🔍 17% Veni Domine et noliVeni Domine et noli
  61. 🔍 17% Scientiarum DominoScientiarum Domino
  62. 🔍 17% Populum humilemPopulum humilem
  63. 🔍 17% Christe Redemptor omniumChriste Redemptor omnium
  64. 🔍 17% O sacrosancta TrinitasO sacrosancta Trinitas
  65. 🔍 17% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)