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. 🔍 49% Fidelis servusFidelis servus
  3. 🔍 30% Fidelis servusFidelis servus
  4. 🔍 27% Fidelis servus (Com.)Fidelis servus (Com.)
  5. 🔍 26% Vidi AquamVidi Aquam
  6. 🔍 25% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  7. 🔍 25% Domine Jesu ChristeDomine Jesu Christe
  8. 🔍 25% Haec dies... Dicant nuncHaec dies... Dicant nunc
  9. 🔍 24% Fidelis servus... all. alleluiaFidelis servus... all. alleluia
  10. 🔍 24% Viri GalilaeiViri Galilaei
  11. 🔍 23% Dominus fortitudoDominus fortitudo
  12. 🔍 23% Fidelis servus... alleluiaFidelis servus... alleluia
  13. 🔍 23% Cibavit EosCibavit Eos
  14. 🔍 22% Fidelis servusFidelis servus
  15. 🔍 22% Da pacemDa pacem
  16. 🔍 21% Terribilis estTerribilis est
  17. 🔍 21% QuotiescumqueQuotiescumque
  18. 🔍 21% Postquam surrexitPostquam surrexit
  19. 🔍 21% Lauda Syon SalvatoremLauda Syon Salvatorem
  20. 🔍 21% Hoc CorpusHoc Corpus
  21. 🔍 20% Haec dies... ConfiteminiHaec dies... Confitemini
  22. 🔍 20% Ecce advenitEcce advenit
  23. 🔍 20% SapientiaSapientia
  24. 🔍 20% EmendemusEmendemus
  25. 🔍 20% Adorna thalamumAdorna thalamum
  26. 🔍 20% Adorna ThalamumAdorna Thalamum
  27. 🔍 19% Dominus illuminatio meaDominus illuminatio mea
  28. 🔍 19% Deus IsraelDeus Israel
  29. 🔍 19% Data est MihiData est Mihi
  30. 🔍 19% ObtuleruntObtulerunt
  31. 🔍 19% Precatus estPrecatus est
  32. 🔍 18% RequiemRequiem
  33. 🔍 18% Ave Rex nosterAve Rex noster
  34. 🔍 18% Ego dixiEgo dixi
  35. 🔍 18% Cum angelisCum angelis
  36. 🔍 18% Juravit DominusJuravit Dominus
  37. 🔍 18% Cibavit eosCibavit eos
  38. 🔍 18% Dominus DixitDominus Dixit
  39. 🔍 18% Unam petii... BeatiUnam petii... Beati
  40. 🔍 18% VoveteVovete
  41. 🔍 18% Beatus vir qui timetBeatus vir qui timet
  42. 🔍 18% Cantate DominoCantate Domino
  43. 🔍 18% ClamaveruntClamaverunt
  44. 🔍 18% Anima nostraAnima nostra
  45. 🔍 18% Scapulis suisScapulis suis
  46. 🔍 18% Anima nostraAnima nostra
  47. 🔍 18% Juravit DominusJuravit Dominus
  48. 🔍 18% Dum venerit ParaclitusDum venerit Paraclitus
  49. 🔍 18% Benedicta sitBenedicta sit
  50. 🔍 18% Ecce fidelis servusEcce fidelis servus
  51. 🔍 18% VoveteVovete
  52. 🔍 18% CogitationesCogitationes
  53. 🔍 18% Ecce fidelis servus et prudensEcce fidelis servus et prudens
  54. 🔍 17% Justus ut palmaJustus ut palma
  55. 🔍 17% Juxta vestibulumJuxta vestibulum
  56. 🔍 17% Tollite portasTollite portas
  57. 🔍 17% Domus MeaDomus Mea
  58. 🔍 17% In medioIn medio
  59. 🔍 17% Viri GalilaeiViri Galilaei
  60. 🔍 17% Nos autemNos autem
  61. 🔍 17% Gloria (Introits tone 2)Gloria (Introits tone 2)
  62. 🔍 17% Ecce fidelis servusEcce fidelis servus
  63. 🔍 17% Factus est RepenteFactus est Repente
  64. 🔍 17% Nos autemNos autem
  65. 🔍 17% Uxor TuaUxor Tua