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% Sumite Psalterium jucundumSumite Psalterium jucundum
  2. 🔍 35% Sigum magnumSigum magnum
  3. 🔍 35% Laetamini in DominoLaetamini in Domino
  4. 🔍 35% Exsultate DeoExsultate Deo
  5. 🔍 32% IncipiteIncipite
  6. 🔍 30% Laetamini in DominoLaetamini in Domino
  7. 🔍 29% Sancte PauleSancte Paule
  8. 🔍 29% Te saeculorum PrincipemTe saeculorum Principem
  9. 🔍 28% Anima... exsultabitAnima... exsultabit
  10. 🔍 28% O MartineO Martine
  11. 🔍 28% Ecce ego JoannesEcce ego Joannes
  12. 🔍 28% Beata AgathaBeata Agatha
  13. 🔍 27% ExsultaboExsultabo
  14. 🔍 27% Protexisti meProtexisti me
  15. 🔍 27% Te sancte rursus LudoviceTe sancte rursus Ludovice
  16. 🔍 27% Ex odorisEx odoris
  17. 🔍 27% Laetamini in DominoLaetamini in Domino
  18. 🔍 27% Descendit JesusDescendit Jesus
  19. 🔍 27% Pauperes SionPauperes Sion
  20. 🔍 27% Laetentur omnesLaetentur omnes
  21. 🔍 27% Honor virtusHonor virtus
  22. 🔍 27% Gabriel ArchangeleGabriel Archangele
  23. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  24. 🔍 27% Gloria XIIIGloria XIII
  25. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  26. 🔍 27% Venite exsultemusVenite exsultemus
  27. 🔍 26% Gaude Maria VirgoGaude Maria Virgo
  28. 🔍 26% Tu principatumTu principatum
  29. 🔍 26% Salve crux sanctaSalve crux sancta
  30. 🔍 26% Praefatio in Annuntiatione Domini die 25 martiiPraefatio in Annuntiatione Domini die 25 martii
  31. 🔍 26% Dominus... erexitDominus... erexit
  32. 🔍 26% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  33. 🔍 26% Miserere (Ps 50)Miserere (Ps 50)
  34. 🔍 26% Sacerdotes DeiSacerdotes Dei
  35. 🔍 26% Qui manducatQui manducat
  36. 🔍 26% Annuntiate inter gentesAnnuntiate inter gentes
  37. 🔍 26% ConfitebunturConfitebuntur
  38. 🔍 26% Laetamini in Domino... allel.Laetamini in Domino... allel.
  39. 🔍 26% Afferentur Regi virginesAfferentur Regi virgines
  40. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  41. 🔍 26% Servite DominoServite Domino
  42. 🔍 26% Ne timeasNe timeas
  43. 🔍 25% Te Joseph celebrentTe Joseph celebrent
  44. 🔍 25% Audita est quasi voxAudita est quasi vox
  45. 🔍 25% Egregie Doctor PauleEgregie Doctor Paule
  46. 🔍 25% Te saeculorum PrincipemTe saeculorum Principem
  47. 🔍 25% Dominus electorumDominus electorum
  48. 🔍 25% In te DomineIn te Domine
  49. 🔍 25% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  50. 🔍 25% Dum novus hic MoysesDum novus hic Moyses
  51. 🔍 25% O lux et decusO lux et decus
  52. 🔍 25% Exsultavit... in DominoExsultavit... in Domino
  53. 🔍 25% Te saeculorum PrincipemTe saeculorum Principem
  54. 🔍 25% Inclina cor meumInclina cor meum
  55. 🔍 25% Te IosephTe Ioseph
  56. 🔍 25% Servite DominoServite Domino
  57. 🔍 25% Ecce dies veniuntEcce dies veniunt
  58. 🔍 25% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  59. 🔍 25% Beata es Maria Mater DominiBeata es Maria Mater Domini
  60. 🔍 25% Ego autem in Domino gaudeboEgo autem in Domino gaudebo
  61. 🔍 25% Te Joseph celebrentTe Joseph celebrent
  62. 🔍 25% Cantate DominoCantate Domino
  63. 🔍 25% Te Deum PatremTe Deum Patrem
  64. 🔍 25% Salve lux mundi!Salve lux mundi!
  65. 🔍 25% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)