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% Fidelis servusFidelis servus
  2. 🔍 65% Fidelis servusFidelis servus
  3. 🔍 64% Fidelis servus... alleluiaFidelis servus... alleluia
  4. 🔍 62% Fidelis servus... all. alleluiaFidelis servus... all. alleluia
  5. 🔍 50% Fidelis servus (II)Fidelis servus (II)
  6. 🔍 43% Ecce fidelis servusEcce fidelis servus
  7. 🔍 42% Fidelis servus (Com.)Fidelis servus (Com.)
  8. 🔍 42% Ecce fidelis servus et prudensEcce fidelis servus et prudens
  9. 🔍 40% Ecce fidelis servusEcce fidelis servus
  10. 🔍 40% Fidelis servus et prudensFidelis servus et prudens
  11. 🔍 40% Ecce fidelis servusEcce fidelis servus
  12. 🔍 40% Ecce fidelis servusEcce fidelis servus
  13. 🔍 37% Ecce fidelis servusEcce fidelis servus
  14. 🔍 37% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  15. 🔍 35% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  16. 🔍 33% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  17. 🔍 33% Terribilis estTerribilis est
  18. 🔍 33% Veritas meaVeritas mea
  19. 🔍 32% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  20. 🔍 32% Fidelis servusFidelis servus
  21. 🔍 30% Te DeumTe Deum
  22. 🔍 30% Te DeumTe Deum
  23. 🔍 30% Te DeumTe Deum
  24. 🔍 29% Gloria VGloria V
  25. 🔍 29% Audi benigne ConditorAudi benigne Conditor
  26. 🔍 29% Fidelis servus 1 (mode 3)Fidelis servus 1 (mode 3)
  27. 🔍 28% Fidelis servus 1 (mode 1)Fidelis servus 1 (mode 1)
  28. 🔍 28% Domine quinque talentaDomine quinque talenta
  29. 🔍 28% Fidelis servusFidelis servus
  30. 🔍 28% Te CatharinaTe Catharina
  31. 🔍 27% Audi Benigne ConditorAudi Benigne Conditor
  32. 🔍 27% Audi benigne Conditor Audi benigne Conditor
  33. 🔍 27% Dominus regit meDominus regit me
  34. 🔍 27% Audi benigne conditorAudi benigne conditor
  35. 🔍 27% Audi benigne ConditorAudi benigne Conditor
  36. 🔍 27% Audi benigne ConditorAudi benigne Conditor
  37. 🔍 27% Audi benigne ConditorAudi benigne Conditor
  38. 🔍 27% Domine quinque talentaDomine quinque talenta
  39. 🔍 27% Te DeumTe Deum
  40. 🔍 27% Factus est opprobriumFactus est opprobrium
  41. 🔍 27% Audi benigneAudi benigne
  42. 🔍 27% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  43. 🔍 26% Eduxit DominusEduxit Dominus
  44. 🔍 26% Eram quasi AgnusEram quasi Agnus
  45. 🔍 26% Gloria IIIGloria III
  46. 🔍 25% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  47. 🔍 25% Verbum supernumVerbum supernum
  48. 🔍 25% Adorna thalamumAdorna thalamum
  49. 🔍 25% Aptata virgoAptata virgo
  50. 🔍 25% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  51. 🔍 25% O beata MaterO beata Mater
  52. 🔍 25% Te Deum (Solemn tone)Te Deum (Solemn tone)
  53. 🔍 25% Gloria XIGloria XI
  54. 🔍 24% En ut superba criminumEn ut superba criminum
  55. 🔍 24% JuravitJuravit
  56. 🔍 24% Te Matrem laudamusTe Matrem laudamus
  57. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  58. 🔍 24% Benedicite Deum caeliBenedicite Deum caeli
  59. 🔍 24% Spiritus Sanctus replevit totam domumSpiritus Sanctus replevit totam domum
  60. 🔍 24% Factus est repenteFactus est repente
  61. 🔍 24% Venite Exsultemus VIIVenite Exsultemus VII
  62. 🔍 24% Vidi aquamVidi aquam
  63. 🔍 24% Jesu auctor clementiaeJesu auctor clementiae
  64. 🔍 24% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  65. 🔍 24% Aeterne sol qui lumineAeterne sol qui lumine