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% Nativitas DominiNativitas Domini
  2. 🔍 40% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  3. 🔍 35% Peperit filium suumPeperit filium suum
  4. 🔍 35% Bajulatio CrucisBajulatio Crucis
  5. 🔍 32% VisitatioVisitatio
  6. 🔍 32% AnnuntiatioAnnuntiatio
  7. 🔍 31% PentecostesPentecostes
  8. 🔍 29% Purificatio B. M. V.Purificatio B. M. V.
  9. 🔍 28% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  10. 🔍 27% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  11. 🔍 27% FlagellatioFlagellatio
  12. 🔍 26% O Virgo pulcherrimaO Virgo pulcherrima
  13. 🔍 26% AscensioAscensio
  14. 🔍 25% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  15. 🔍 25% Completi sunt diesCompleti sunt dies
  16. 🔍 25% Inventio Jesu in temploInventio Jesu in templo
  17. 🔍 24% Sancta MariaSancta Maria
  18. 🔍 24% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  19. 🔍 24% Assumptio B. M. V.Assumptio B. M. V.
  20. 🔍 23% Bajulatio Crucis (Alia antiphona)Bajulatio Crucis (Alia antiphona)
  21. 🔍 23% Martyr Dei qui unicumMartyr Dei qui unicum
  22. 🔍 23% Crucifixio (Alia antiphona)Crucifixio (Alia antiphona)
  23. 🔍 23% ResurrectioResurrectio
  24. 🔍 23% Te Deum PatremTe Deum Patrem
  25. 🔍 23% Completi suntCompleti sunt
  26. 🔍 22% Completi suntCompleti sunt
  27. 🔍 22% In natali DominiIn natali Domini
  28. 🔍 22% O res admirabilisO res admirabilis
  29. 🔍 22% Impositio coronae spineaeImpositio coronae spineae
  30. 🔍 22% Amavit eum DominusAmavit eum Dominus
  31. 🔍 22% Agonia in hortoAgonia in horto
  32. 🔍 21% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  33. 🔍 21% CrucifixioCrucifixio
  34. 🔍 21% Ave Virgo specieiAve Virgo speciei
  35. 🔍 21% O Maria vitae viaO Maria vitae via
  36. 🔍 21% Te Deum PatremTe Deum Patrem
  37. 🔍 21% Imperatrix AngelorumImperatrix Angelorum
  38. 🔍 21% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  39. 🔍 21% Misericordia DominiMisericordia Domini
  40. 🔍 20% Gloria et honoreGloria et honore
  41. 🔍 20% Dominus regnavitDominus regnavit
  42. 🔍 20% Gaude Virgo quae de caelisGaude Virgo quae de caelis
  43. 🔍 20% Credo IICredo II
  44. 🔍 20% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  45. 🔍 20% Lutum fecitLutum fecit
  46. 🔍 20% Inclinavit DominusInclinavit Dominus
  47. 🔍 20% Omnis expertemOmnis expertem
  48. 🔍 20% Amavit eumAmavit eum
  49. 🔍 20% Credo IICredo II
  50. 🔍 20% Te Deum Patrem ingenitumTe Deum Patrem ingenitum
  51. 🔍 20% Dum mediumDum medium
  52. 🔍 20% Virgo clemensVirgo clemens
  53. 🔍 20% Pentecostes (Alia antiphona)Pentecostes (Alia antiphona)
  54. 🔍 20% Ave maris stella clarum jubarAve maris stella clarum jubar
  55. 🔍 20% Martyr Dei, qui unicumMartyr Dei, qui unicum
  56. 🔍 20% Amavit eum DominusAmavit eum Dominus
  57. 🔍 20% Amavit eumAmavit eum
  58. 🔍 20% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  59. 🔍 20% Amavit eum DominusAmavit eum Dominus
  60. 🔍 19% Completi suntCompleti sunt
  61. 🔍 19% Lamentationes 6.2 Daleth. TetenditLamentationes 6.2 Daleth. Tetendit
  62. 🔍 19% Sic Deus dilexitSic Deus dilexit
  63. 🔍 19% Tu Trinitatis UnitasTu Trinitatis Unitas
  64. 🔍 19% Credo IICredo II
  65. 🔍 19% Ave vena veniaeAve vena veniae