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% Erat Pater ejusErat Pater ejus
  2. 🔍 85% Erat pater ejusErat pater ejus
  3. 🔍 38% Erat Ioseph et Maria mater IesuErat Ioseph et Maria mater Iesu
  4. 🔍 38% Erat Ioseph et Mater IesuErat Ioseph et Mater Iesu
  5. 🔍 35% Era pater JesuEra pater Jesu
  6. 🔍 34% Erat Ioseph et Maria mater Iesu (altera melodia)Erat Ioseph et Maria mater Iesu (altera melodia)
  7. 🔍 33% Erat Ioseph et Mater IesuErat Ioseph et Mater Iesu
  8. 🔍 32% Erant JosephErant Joseph
  9. 🔍 32% Dixit Mater ejusDixit Mater ejus
  10. 🔍 30% Erat Ioseph et MariaErat Ioseph et Maria
  11. 🔍 29% Erat Ioseph et materErat Ioseph et mater
  12. 🔍 29% ErantErant
  13. 🔍 28% Innuebant patri ejusInnuebant patri ejus
  14. 🔍 25% Dixit Mater ejus ad illumDixit Mater ejus ad illum
  15. 🔍 24% Vocabis nomen ejusVocabis nomen ejus
  16. 🔍 24% Dixit Mater Jesu ad illumDixit Mater Jesu ad illum
  17. 🔍 24% Mirabantur omnes de hisMirabantur omnes de his
  18. 🔍 23% In regeneratione (Solesmes 1934)In regeneratione (Solesmes 1934)
  19. 🔍 23% Dixit Mater ejusDixit Mater ejus
  20. 🔍 23% Multiplicabitur ejus imperiumMultiplicabitur ejus imperium
  21. 🔍 23% Dixit Mater ejus ad illumDixit Mater ejus ad illum
  22. 🔍 23% Innuebant patri ejusInnuebant patri ejus
  23. 🔍 22% Beata es MariaBeata es Maria
  24. 🔍 22% Dixit Mater Jesu ad illumDixit Mater Jesu ad illum
  25. 🔍 22% Benedico... FiliumBenedico... Filium
  26. 🔍 22% Vestitus erat vesteVestitus erat veste
  27. 🔍 22% Ibat Jesus in civitatemIbat Jesus in civitatem
  28. 🔍 22% In omnibus hisIn omnibus his
  29. 🔍 22% In regenerationeIn regeneratione
  30. 🔍 22% Beata es MariaBeata es Maria
  31. 🔍 22% Laetatus sum in hisLaetatus sum in his
  32. 🔍 21% Vestitus eratVestitus erat
  33. 🔍 21% Et ecce apparueruntEt ecce apparuerunt
  34. 🔍 21% Mulier quae erat ... stansMulier quae erat ... stans
  35. 🔍 21% Volo PaterVolo Pater
  36. 🔍 21% Ecce ancilla DominiEcce ancilla Domini
  37. 🔍 21% Volo Pater ut ubi egoVolo Pater ut ubi ego
  38. 🔍 21% Decora lux aeternitatisDecora lux aeternitatis
  39. 🔍 21% Joseph vir ejusJoseph vir ejus
  40. 🔍 21% Mirabantur omnesMirabantur omnes
  41. 🔍 20% Magne PaterMagne Pater
  42. 🔍 20% Hi novissimiHi novissimi
  43. 🔍 20% Decora lux aeternitatisDecora lux aeternitatis
  44. 🔍 20% Ecce ancilla DominiEcce ancilla Domini
  45. 🔍 20% Beate Pastor PetreBeate Pastor Petre
  46. 🔍 20% Omnes qui habebantOmnes qui habebant
  47. 🔍 20% Mulier quae erat ... attulitMulier quae erat ... attulit
  48. 🔍 20% Cum videritis abominationemCum videritis abominationem
  49. 🔍 20% Omnis sapientiaOmnis sapientia
  50. 🔍 20% Abiit JesusAbiit Jesus
  51. 🔍 20% Exaudiat Dominus orationesExaudiat Dominus orationes
  52. 🔍 20% Omnes Angeli ejusOmnes Angeli ejus
  53. 🔍 19% Mulier quae eratMulier quae erat
  54. 🔍 19% Et ecce terraemotusEt ecce terraemotus
  55. 🔍 19% Aspice Domine quiaAspice Domine quia
  56. 🔍 19% Beate Pastor PetreBeate Pastor Petre
  57. 🔍 19% Magna est gloria ejusMagna est gloria ejus
  58. 🔍 19% Magna est gloria ejusMagna est gloria ejus
  59. 🔍 19% Beate Pastor PetreBeate Pastor Petre
  60. 🔍 19% Alma RedemptorisAlma Redemptoris
  61. 🔍 19% Aspice DomineAspice Domine
  62. 🔍 19% Cum iter ad mareCum iter ad mare
  63. 🔍 19% Ego gloriam meamEgo gloriam meam
  64. 🔍 19% Volo PaterVolo Pater
  65. 🔍 19% Et ecce apparueruntEt ecce apparuerunt