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% Exivi a PatreExivi a Patre
  2. 🔍 77% Exivi a PatreExivi a Patre
  3. 🔍 25% ConfitebunturConfitebuntur
  4. 🔍 24% Non relinquam vosNon relinquam vos
  5. 🔍 24% ExsultaboExsultabo
  6. 🔍 23% De profundisDe profundis
  7. 🔍 22% Sponso sponsa!Sponso sponsa!
  8. 🔍 21% Non vos relinquamNon vos relinquam
  9. 🔍 21% Laetabitur justusLaetabitur justus
  10. 🔍 21% HolocaustumHolocaustum
  11. 🔍 21% Cantate DominoCantate Domino
  12. 🔍 20% Ave Regina CaelorumAve Regina Caelorum
  13. 🔍 20% De profundisDe profundis
  14. 🔍 20% GloriaGloria
  15. 🔍 20% ConfitebunturConfitebuntur
  16. 🔍 20% Ave verumAve verum
  17. 🔍 20% Exsultet caelum (II)Exsultet caelum (II)
  18. 🔍 19% Deus tuorum II Cl.Deus tuorum II Cl.
  19. 🔍 19% HolocaustumHolocaustum
  20. 🔍 19% ExsultaboExsultabo
  21. 🔍 19% Assumpta estAssumpta est
  22. 🔍 19% Ascendit ChristusAscendit Christus
  23. 🔍 19% Angelus Domini descenditAngelus Domini descendit
  24. 🔍 19% Gloria (Introits tone 6)Gloria (Introits tone 6)
  25. 🔍 19% ObtuleruntObtulerunt
  26. 🔍 18% Exivi a PatreExivi a Patre
  27. 🔍 18% Beata gensBeata gens
  28. 🔍 18% In caelesti hierarchiaIn caelesti hierarchia
  29. 🔍 18% Ecce sic benediceturEcce sic benedicetur
  30. 🔍 18% LaetabundusLaetabundus
  31. 🔍 18% Ave Rex nosterAve Rex noster
  32. 🔍 18% Haec dies... Dicant nuncHaec dies... Dicant nunc
  33. 🔍 18% Exsurge Domine DeusExsurge Domine Deus
  34. 🔍 18% Ab ortu solisAb ortu solis
  35. 🔍 18% Gloria XIGloria XI
  36. 🔍 18% Tristes erant ApostoliTristes erant Apostoli
  37. 🔍 18% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  38. 🔍 18% AngularisAngularis
  39. 🔍 18% Tua sunt haecTua sunt haec
  40. 🔍 18% Paschale mundo gaudiumPaschale mundo gaudium
  41. 🔍 17% Gloria IGloria I
  42. 🔍 17% Exsultate DeoExsultate Deo
  43. 🔍 17% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  44. 🔍 17% R. IngredienteR. Ingrediente
  45. 🔍 17% Gloria (Introits tone 2)Gloria (Introits tone 2)
  46. 🔍 17% Misericordia DominiMisericordia Domini
  47. 🔍 17% Gloria (Introits tone 4)Gloria (Introits tone 4)
  48. 🔍 17% RequiemRequiem
  49. 🔍 17% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  50. 🔍 17% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  51. 🔍 17% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  52. 🔍 17% Requiem (Intr.)Requiem (Intr.)
  53. 🔍 17% Claro paschali gaudioClaro paschali gaudio
  54. 🔍 17% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  55. 🔍 17% Domine exaudiDomine exaudi
  56. 🔍 17% EmendemusEmendemus
  57. 🔍 17% O vos omnesO vos omnes
  58. 🔍 17% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  59. 🔍 17% Urbs Jerusalem beataUrbs Jerusalem beata
  60. 🔍 17% Martyr Dei VenantiusMartyr Dei Venantius
  61. 🔍 17% Qui habitatQui habitat
  62. 🔍 17% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  63. 🔍 17% ModicumModicum
  64. 🔍 17% DirigaturDirigatur
  65. 🔍 17% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)