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% Rex Christe Martini decusRex Christe Martini decus
  2. 🔍 53% Aeterne sol qui lumineAeterne sol qui lumine
  3. 🔍 52% Jesu Redemptor omniumJesu Redemptor omnium
  4. 🔍 50% Mella cor obdulcantiaMella cor obdulcantia
  5. 🔍 50% Insigne Francorum jubarInsigne Francorum jubar
  6. 🔍 49% Anglorum iamAnglorum iam
  7. 🔍 49% Anglorum jam ApostolusAnglorum jam Apostolus
  8. 🔍 31% Martine par ApostolisMartine par Apostolis
  9. 🔍 27% O nata lux de lumineO nata lux de lumine
  10. 🔍 26% Salve magniSalve magni
  11. 🔍 26% Vir celse forma fulgidaVir celse forma fulgida
  12. 🔍 26% Vir celse (pro Episcopo)Vir celse (pro Episcopo)
  13. 🔍 26% Vir celse (Pro papa)Vir celse (Pro papa)
  14. 🔍 25% Vir celse (Pro presbytero)Vir celse (Pro presbytero)
  15. 🔍 25% Vir celse (Pro resbytero)Vir celse (Pro resbytero)
  16. 🔍 24% Vir celse forma fulgidaVir celse forma fulgida
  17. 🔍 24% Sacrata nobis gaudiaSacrata nobis gaudia
  18. 🔍 24% Ad coenamAd coenam
  19. 🔍 24% Gaude SionGaude Sion
  20. 🔍 24% Iste Confessor (Conf Pont in Duplicibus Minoribus)Iste Confessor (Conf Pont in Duplicibus Minoribus)
  21. 🔍 23% Inclytos ChristiInclytos Christi
  22. 🔍 23% Martinus Abrahae sinuMartinus Abrahae sinu
  23. 🔍 23% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  24. 🔍 22% Vir celse forma fulgidaVir celse forma fulgida
  25. 🔍 22% O rex aeterne DomineO rex aeterne Domine
  26. 🔍 22% Optatus votis omniumOptatus votis omnium
  27. 🔍 21% O lux beata TrinitasO lux beata Trinitas
  28. 🔍 21% Sedibus caeli nitidis receptosSedibus caeli nitidis receptos
  29. 🔍 21% Martyr Dei, qui unicumMartyr Dei, qui unicum
  30. 🔍 21% Martyr Dei qui unicumMartyr Dei qui unicum
  31. 🔍 21% Exsultet iam angelicaExsultet iam angelica
  32. 🔍 21% Miserere mei... secundumMiserere mei... secundum
  33. 🔍 21% Ave maris stellaAve maris stella
  34. 🔍 21% O castitatis signiferO castitatis signifer
  35. 🔍 21% Exsultet jam AngelicaExsultet jam Angelica
  36. 🔍 21% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  37. 🔍 21% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  38. 🔍 20% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  39. 🔍 20% Lux o decora patriaeLux o decora patriae
  40. 🔍 20% Martinus Abrahae sinuMartinus Abrahae sinu
  41. 🔍 20% Legis sacrataeLegis sacratae
  42. 🔍 20% O MartineO Martine
  43. 🔍 20% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  44. 🔍 20% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  45. 🔍 20% Immensa et unaImmensa et una
  46. 🔍 20% Tu Trinitatis UnitasTu Trinitatis Unitas
  47. 🔍 20% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  48. 🔍 20% Te dicimus praeconio materTe dicimus praeconio mater
  49. 🔍 20% Animam meam dilectamAnimam meam dilectam
  50. 🔍 20% O lux beata TrinitasO lux beata Trinitas
  51. 🔍 20% Regali solioRegali solio
  52. 🔍 19% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  53. 🔍 19% Festivis resonent compitaFestivis resonent compita
  54. 🔍 19% Cohors beata SeraphimCohors beata Seraphim
  55. 🔍 19% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  56. 🔍 19% Jam sol receditJam sol recedit
  57. 🔍 19% Jam sol receditJam sol recedit
  58. 🔍 19% Rex magneRex magne
  59. 🔍 19% Festivis resonentFestivis resonent
  60. 🔍 19% Sursum sonetSursum sonet
  61. 🔍 19% Praeclara qua tu gloriaPraeclara qua tu gloria
  62. 🔍 19% Felix per omnesFelix per omnes
  63. 🔍 19% De profundis exclamantesDe profundis exclamantes
  64. 🔍 19% O MartineO Martine
  65. 🔍 19% Venite exultemus IV GVenite exultemus IV G