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% AnnuntiatioAnnuntiatio
  2. 🔍 50% Angelus Domini nuntiavitAngelus Domini nuntiavit
  3. 🔍 47% Angelus... nuntiavitAngelus... nuntiavit
  4. 🔍 43% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  5. 🔍 42% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  6. 🔍 42% Angelus Gabriel nuntiavitAngelus Gabriel nuntiavit
  7. 🔍 40% Angelus DominiAngelus Domini
  8. 🔍 36% VisitatioVisitatio
  9. 🔍 33% Angelus Domini nuntiavit (ad Matutinum in Adv. et Ann.tionis)Angelus Domini nuntiavit (ad Matutinum in Adv. et Ann.tionis)
  10. 🔍 33% Angelus Domini nuntiavit (Resp. Br.)Angelus Domini nuntiavit (Resp. Br.)
  11. 🔍 32% Nativitas DominiNativitas Domini
  12. 🔍 30% PentecostesPentecostes
  13. 🔍 30% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  14. 🔍 30% Angelus Domini nuntiavitAngelus Domini nuntiavit
  15. 🔍 30% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  16. 🔍 28% Angelus Domini nuntiavit (Resp. Br. tonus solemnis)Angelus Domini nuntiavit (Resp. Br. tonus solemnis)
  17. 🔍 28% Virgo Dei GenitrixVirgo Dei Genitrix
  18. 🔍 28% CrucifixioCrucifixio
  19. 🔍 28% Angelus Domini nuntiavitAngelus Domini nuntiavit
  20. 🔍 27% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  21. 🔍 27% Apostolorum passio diemApostolorum passio diem
  22. 🔍 27% Virgo Dei GenitrixVirgo Dei Genitrix
  23. 🔍 27% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  24. 🔍 26% AscensioAscensio
  25. 🔍 26% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  26. 🔍 26% Relucens inter principesRelucens inter principes
  27. 🔍 26% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  28. 🔍 25% Ego sum GabrielEgo sum Gabriel
  29. 🔍 25% Agonia in hortoAgonia in horto
  30. 🔍 25% MemorareMemorare
  31. 🔍 25% Cohors beata SeraphimCohors beata Seraphim
  32. 🔍 25% Commune vos apostoliCommune vos apostoli
  33. 🔍 25% Angelus Domini nuntiavit (Resp. Br. tonus solemnis T.P.)Angelus Domini nuntiavit (Resp. Br. tonus solemnis T.P.)
  34. 🔍 25% Dicamus laudes DominoDicamus laudes Domino
  35. 🔍 25% Purificatio B. M. V.Purificatio B. M. V.
  36. 🔍 25% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  37. 🔍 25% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  38. 🔍 24% FlagellatioFlagellatio
  39. 🔍 24% Assumptio B. M. V.Assumptio B. M. V.
  40. 🔍 24% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  41. 🔍 24% Qui luce splendesQui luce splendes
  42. 🔍 24% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  43. 🔍 24% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  44. 🔍 24% Praeclara qua tu gloriaPraeclara qua tu gloria
  45. 🔍 23% Qui luce splendesQui luce splendes
  46. 🔍 23% Omnis expertemOmnis expertem
  47. 🔍 23% Te nostra laetisTe nostra laetis
  48. 🔍 23% Sancta MariaSancta Maria
  49. 🔍 23% Imperatrix AngelorumImperatrix Angelorum
  50. 🔍 23% Angelus Domini nuntiavit MariaeAngelus Domini nuntiavit Mariae
  51. 🔍 23% MemorareMemorare
  52. 🔍 23% Commune vos apostoliCommune vos apostoli
  53. 🔍 23% Ad Virginem Dei MatremAd Virginem Dei Matrem
  54. 🔍 23% Ego sum GabrielEgo sum Gabriel
  55. 🔍 22% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  56. 🔍 22% Gaude Virgo quae de caelisGaude Virgo quae de caelis
  57. 🔍 22% ResurrectioResurrectio
  58. 🔍 22% Jesu Fili summi PatrisJesu Fili summi Patris
  59. 🔍 22% Factum est autemFactum est autem
  60. 🔍 22% Ternis horarum terminisTernis horarum terminis
  61. 🔍 22% Ave Virgo specieiAve Virgo speciei
  62. 🔍 22% Archangelus GabrielArchangelus Gabriel
  63. 🔍 22% Angelus Domini (salutatio angelica)Angelus Domini (salutatio angelica)
  64. 🔍 22% Ecce nomen Domini EmmanuelEcce nomen Domini Emmanuel
  65. 🔍 21% Missus est Angelus ... ad virginemMissus est Angelus ... ad virginem