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% PentecostesPentecostes
  2. 🔍 88% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  3. 🔍 47% Spiritus Domini replevit (I)Spiritus Domini replevit (I)
  4. 🔍 46% Spiritus Domini replevit (II)Spiritus Domini replevit (II)
  5. 🔍 43% Spiritus DominiSpiritus Domini
  6. 🔍 42% Spiritus DominiSpiritus Domini
  7. 🔍 41% Spiritus DominiSpiritus Domini
  8. 🔍 40% Pentecostes (Alia antiphona)Pentecostes (Alia antiphona)
  9. 🔍 36% Assumptio B. M. V.Assumptio B. M. V.
  10. 🔍 35% Spiritus DominiSpiritus Domini
  11. 🔍 34% Spiritus Domini replevitSpiritus Domini replevit
  12. 🔍 34% Spiritus Domini (Ss. Rosarii)Spiritus Domini (Ss. Rosarii)
  13. 🔍 32% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  14. 🔍 31% Nativitas DominiNativitas Domini
  15. 🔍 31% Spiritus DominiSpiritus Domini
  16. 🔍 30% AnnuntiatioAnnuntiatio
  17. 🔍 30% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  18. 🔍 29% Imperatrix AngelorumImperatrix Angelorum
  19. 🔍 29% Purificatio B. M. V.Purificatio B. M. V.
  20. 🔍 29% ResurrectioResurrectio
  21. 🔍 29% FlagellatioFlagellatio
  22. 🔍 29% AscensioAscensio
  23. 🔍 29% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  24. 🔍 29% Bajulatio CrucisBajulatio Crucis
  25. 🔍 27% Alleluia Spiritus Domini replevitAlleluia Spiritus Domini replevit
  26. 🔍 27% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  27. 🔍 26% Spiritus Domini replevitSpiritus Domini replevit
  28. 🔍 26% Sancta MariaSancta Maria
  29. 🔍 26% Spiritus Domini replevitSpiritus Domini replevit
  30. 🔍 26% Spiritus Domini replevitSpiritus Domini replevit
  31. 🔍 25% VisitatioVisitatio
  32. 🔍 25% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  33. 🔍 25% CrucifixioCrucifixio
  34. 🔍 25% Spiritus Domini replevitSpiritus Domini replevit
  35. 🔍 25% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  36. 🔍 24% Impositio coronae spineaeImpositio coronae spineae
  37. 🔍 24% Inventio Jesu in temploInventio Jesu in templo
  38. 🔍 24% Alleluia, SpiritusAlleluia, Spiritus
  39. 🔍 24% Omnis expertemOmnis expertem
  40. 🔍 24% Disciplinam et sapientiamDisciplinam et sapientiam
  41. 🔍 24% Spiritus Domini replevitSpiritus Domini replevit
  42. 🔍 24% Spiritus DominiSpiritus Domini
  43. 🔍 23% Crucifixio (Alia antiphona)Crucifixio (Alia antiphona)
  44. 🔍 23% Ave Virgo specieiAve Virgo speciei
  45. 🔍 23% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  46. 🔍 23% Spiritus Domini replevit (Ant)Spiritus Domini replevit (Ant)
  47. 🔍 23% Agonia in hortoAgonia in horto
  48. 🔍 23% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  49. 🔍 22% Spiritus Domini sine alleluiaSpiritus Domini sine alleluia
  50. 🔍 22% Exsultet jam AngelicaExsultet jam Angelica
  51. 🔍 22% Bajulatio Crucis (Alia antiphona)Bajulatio Crucis (Alia antiphona)
  52. 🔍 22% Ecce nomen Domini venitEcce nomen Domini venit
  53. 🔍 21% Alleluia spiritus Domini replevitAlleluia spiritus Domini replevit
  54. 🔍 21% Tibi Redemptor omniumTibi Redemptor omnium
  55. 🔍 21% Dominus... plebemDominus... plebem
  56. 🔍 21% Spiritus Domini sine AlleluiaSpiritus Domini sine Alleluia
  57. 🔍 21% Jesu Fili summi PatrisJesu Fili summi Patris
  58. 🔍 21% Rerum supremo Rerum supremo
  59. 🔍 21% Spiritus Domini replevitSpiritus Domini replevit
  60. 🔍 20% In medio EcclesiaeIn medio Ecclesiae
  61. 🔍 20% Auctor salutisAuctor salutis
  62. 🔍 20% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  63. 🔍 20% Auctor salutis uniceAuctor salutis unice
  64. 🔍 20% Ecce nomen Domini venitEcce nomen Domini venit
  65. 🔍 20% Rerum Deus (In Adventu)Rerum Deus (In Adventu)