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% Fortem virili pectoreFortem virili pectore
  2. 🔍 84% Fortem virili pectore (per annum)Fortem virili pectore (per annum)
  3. 🔍 83% Fortem virili pectore (Saint Helena)Fortem virili pectore (Saint Helena)
  4. 🔍 65% Haec femina laudabilisHaec femina laudabilis
  5. 🔍 61% Hae feminae laudabilesHae feminae laudabiles
  6. 🔍 61% Fortem virili pectoreFortem virili pectore
  7. 🔍 50% Christe qui splendor (in festis)Christe qui splendor (in festis)
  8. 🔍 50% Rector ætérniRector ætérni
  9. 🔍 49% Te lucis ante terminum (In Festis)Te lucis ante terminum (In Festis)
  10. 🔍 49% Venite exsultemus VIVenite exsultemus VI
  11. 🔍 49% Fulget in caelisFulget in caelis
  12. 🔍 47% Venite exsultemus IIVenite exsultemus II
  13. 🔍 46% Sanctorum meritis 2Sanctorum meritis 2
  14. 🔍 45% Te lucis ante terminum (In Festis Majoribus)Te lucis ante terminum (In Festis Majoribus)
  15. 🔍 42% Laude te civesLaude te cives
  16. 🔍 40% Bernardus doctor inclitusBernardus doctor inclitus
  17. 🔍 39% Virgo gloriosa semperVirgo gloriosa semper
  18. 🔍 38% Quem terra pontus aetheraQuem terra pontus aethera
  19. 🔍 37% Exsultet jam AngelicaExsultet jam Angelica
  20. 🔍 35% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  21. 🔍 34% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  22. 🔍 34% Gloria IIGloria II
  23. 🔍 34% Virgo prudentumVirgo prudentum
  24. 🔍 34% Christe qui splendor et dies (in dominicis per annum)Christe qui splendor et dies (in dominicis per annum)
  25. 🔍 33% Christe qui splendor (in memoriis)Christe qui splendor (in memoriis)
  26. 🔍 33% Jesu Corona Virginum alter tonusJesu Corona Virginum alter tonus
  27. 🔍 33% Tecum principiumTecum principium
  28. 🔍 33% Jesu corona Virginum (Alter Tonus)Jesu corona Virginum (Alter Tonus)
  29. 🔍 32% Primo dPrimo d
  30. 🔍 32% Crucem tuamCrucem tuam
  31. 🔍 32% Dum lux exoriturDum lux exoritur
  32. 🔍 32% Primo dPrimo d
  33. 🔍 32% Aeterne Rex altissimeAeterne Rex altissime
  34. 🔍 31% Verbum supernumVerbum supernum
  35. 🔍 31% Primo dierum omniumPrimo dierum omnium
  36. 🔍 31% Clamavi ad te, DomineClamavi ad te, Domine
  37. 🔍 31% Fortem virili pectore (Paschal Time)Fortem virili pectore (Paschal Time)
  38. 🔍 31% Te CatharinaTe Catharina
  39. 🔍 30% O lux beata CaelitumO lux beata Caelitum
  40. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  41. 🔍 29% A solis ortusA solis ortus
  42. 🔍 29% Benedictus Dominus a saeculoBenedictus Dominus a saeculo
  43. 🔍 29% O castitatis signiferO castitatis signifer
  44. 🔍 29% Igne divini radiansIgne divini radians
  45. 🔍 29% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  46. 🔍 29% Lux alma Jesu mentiumLux alma Jesu mentium
  47. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  48. 🔍 29% Tecum principiumTecum principium
  49. 🔍 29% Ternis ter horisTernis ter horis
  50. 🔍 29% Aeterne Rex altissimeAeterne Rex altissime
  51. 🔍 29% Exiit sermoExiit sermo
  52. 🔍 28% Te lucis ante terminum (In Festis Minoribus)Te lucis ante terminum (In Festis Minoribus)
  53. 🔍 28% Jesu dulcis memoria!Jesu dulcis memoria!
  54. 🔍 28% Verbum supernum prodiens necVerbum supernum prodiens nec
  55. 🔍 28% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  56. 🔍 28% Aptata virgoAptata virgo
  57. 🔍 28% Tunc acceptabis sacrificiumTunc acceptabis sacrificium
  58. 🔍 28% Dextera Domini fecitDextera Domini fecit
  59. 🔍 28% Venite exsultemus VI*Venite exsultemus VI*
  60. 🔍 28% Tecum principiumTecum principium
  61. 🔍 28% Hostis HerodesHostis Herodes
  62. 🔍 28% Qui lacrimatusQui lacrimatus
  63. 🔍 28% Auctor salutisAuctor salutis
  64. 🔍 28% Deus meus adiutor meusDeus meus adiutor meus
  65. 🔍 28% O lux beata CaelitumO lux beata Caelitum