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% InvocabimusInvocabimus
  2. 🔍 76% Invocabimus nomenInvocabimus nomen
  3. 🔍 61% Et invocabimusEt invocabimus
  4. 🔍 61% InvocabimusInvocabimus
  5. 🔍 40% Et invocabimusEt invocabimus
  6. 🔍 32% Domus meaDomus mea
  7. 🔍 30% Tu autem cum oraverisTu autem cum oraveris
  8. 🔍 30% SanctificavitSanctificavit
  9. 🔍 30% MirabiliaMirabilia
  10. 🔍 30% Misericordias DominiMisericordias Domini
  11. 🔍 29% Gloria Missa RegiaGloria Missa Regia
  12. 🔍 29% Gloria Missa RegiaGloria Missa Regia
  13. 🔍 29% Gloria (Missa Regia I)Gloria (Missa Regia I)
  14. 🔍 29% Propter nomenPropter nomen
  15. 🔍 29% Gloria XIIIGloria XIII
  16. 🔍 29% In DominoIn Domino
  17. 🔍 28% Ego sum RaphaelEgo sum Raphael
  18. 🔍 28% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  19. 🔍 27% CalicemCalicem
  20. 🔍 27% Tu DomineTu Domine
  21. 🔍 26% MagnificavitMagnificavit
  22. 🔍 26% Gloria IIGloria II
  23. 🔍 26% Domine puer meusDomine puer meus
  24. 🔍 26% LaudamusLaudamus
  25. 🔍 26% Illumina Domine (I)Illumina Domine (I)
  26. 🔍 26% IncipiteIncipite
  27. 🔍 26% InundaveruntInundaverunt
  28. 🔍 26% Domus meaDomus mea
  29. 🔍 26% Elegit... SionElegit... Sion
  30. 🔍 26% Parce DomineParce Domine
  31. 🔍 25% Gloria IIGloria II
  32. 🔍 25% Laudate... omnesLaudate... omnes
  33. 🔍 25% Gloria VIIGloria VII
  34. 🔍 25% Tibi DomineTibi Domine
  35. 🔍 25% Ex more docti mysticoEx more docti mystico
  36. 🔍 25% Crucem tuamCrucem tuam
  37. 🔍 25% Pacificus vocabiturPacificus vocabitur
  38. 🔍 25% Benedicamus PatremBenedicamus Patrem
  39. 🔍 25% Miserere et parceMiserere et parce
  40. 🔍 25% Gloria I.Gloria I.
  41. 🔍 25% MemoriamMemoriam
  42. 🔍 25% Gloria XIIGloria XII
  43. 🔍 25% Tibi soliTibi soli
  44. 🔍 25% Emendemus in meliusEmendemus in melius
  45. 🔍 25% Deus tu conversusDeus tu conversus
  46. 🔍 25% Gloria IVGloria IV
  47. 🔍 25% Si quis mihiSi quis mihi
  48. 🔍 25% Ubi caritas est veraUbi caritas est vera
  49. 🔍 24% Ascendit DeusAscendit Deus
  50. 🔍 24% Gloria XIIIGloria XIII
  51. 🔍 24% Benedicam te IBenedicam te I
  52. 🔍 24% Deduc meDeduc me
  53. 🔍 24% SustinuimusSustinuimus
  54. 🔍 24% Crucem tuamCrucem tuam
  55. 🔍 24% Ecce ancillaEcce ancilla
  56. 🔍 24% Miserere mihiMiserere mihi
  57. 🔍 24% Magi videntes stellamMagi videntes stellam
  58. 🔍 24% Domine non estDomine non est
  59. 🔍 24% Beata es MariaBeata es Maria
  60. 🔍 24% In humilitateIn humilitate
  61. 🔍 24% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  62. 🔍 24% Ubi caritasUbi caritas
  63. 🔍 24% Amplificatus estAmplificatus est
  64. 🔍 24% In tuo adventuIn tuo adventu
  65. 🔍 24% Hodie nomenHodie nomen