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% Tecum principiumTecum principium
  2. 🔍 78% Tecum principiumTecum principium
  3. 🔍 74% Tecum principiumTecum principium
  4. 🔍 42% Tecum principiumTecum principium
  5. 🔍 42% Tecum principiumTecum principium
  6. 🔍 40% Venite exsultemus VIVenite exsultemus VI
  7. 🔍 40% Venite exsultemus IIVenite exsultemus II
  8. 🔍 39% Christe qui splendor (in festis)Christe qui splendor (in festis)
  9. 🔍 39% Te lucis ante terminum (In Festis)Te lucis ante terminum (In Festis)
  10. 🔍 38% Tecum principiumTecum principium
  11. 🔍 38% Igne divini radiansIgne divini radians
  12. 🔍 37% Virgo prudentumVirgo prudentum
  13. 🔍 36% Fulget in caelisFulget in caelis
  14. 🔍 36% Te lucis ante terminum (In Festis Majoribus)Te lucis ante terminum (In Festis Majoribus)
  15. 🔍 35% Fortem virili pectore (per annum)Fortem virili pectore (per annum)
  16. 🔍 34% Haec femina laudabilisHaec femina laudabilis
  17. 🔍 34% Hae feminae laudabilesHae feminae laudabiles
  18. 🔍 34% Rector ætérniRector ætérni
  19. 🔍 34% Fortem virili pectore (Saint Helena)Fortem virili pectore (Saint Helena)
  20. 🔍 33% Laude te civesLaude te cives
  21. 🔍 33% Fortem virili pectoreFortem virili pectore
  22. 🔍 31% Sanctorum meritis 2Sanctorum meritis 2
  23. 🔍 31% Vita sanctorumVita sanctorum
  24. 🔍 31% Sancti DominiSancti Domini
  25. 🔍 31% Spiritus Paraclitus (Tonus simplex pro diebus infra Octavam)Spiritus Paraclitus (Tonus simplex pro diebus infra Octavam)
  26. 🔍 30% Tunc acceptabis sacrificiumTunc acceptabis sacrificium
  27. 🔍 30% Christe lux veraChriste lux vera
  28. 🔍 30% Ego daemoniumEgo daemonium
  29. 🔍 29% Ad preces nostrasAd preces nostras
  30. 🔍 29% Clamavi ad te, DomineClamavi ad te, Domine
  31. 🔍 29% Luminis fonsLuminis fons
  32. 🔍 29% Christe qui splendor (in memoriis)Christe qui splendor (in memoriis)
  33. 🔍 29% Angelum pacisAngelum pacis
  34. 🔍 29% Bernardus doctor inclitusBernardus doctor inclitus
  35. 🔍 29% Virgo gloriosa semperVirgo gloriosa semper
  36. 🔍 29% Primo dPrimo d
  37. 🔍 28% Primo dPrimo d
  38. 🔍 28% Dextera Domini fecitDextera Domini fecit
  39. 🔍 28% Primo dierum omniumPrimo dierum omnium
  40. 🔍 28% Christe qui splendor et dies (in dominicis per annum)Christe qui splendor et dies (in dominicis per annum)
  41. 🔍 27% Virginis prolesVirginis proles
  42. 🔍 27% Exsultet spiritus meusExsultet spiritus meus
  43. 🔍 27% Te Patrem summumTe Patrem summum
  44. 🔍 27% Caeli caelorumCaeli caelorum
  45. 🔍 27% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  46. 🔍 27% Si vere fratresSi vere fratres
  47. 🔍 26% Dixit Dominus (Ps. 109 7c2)Dixit Dominus (Ps. 109 7c2)
  48. 🔍 26% Exiit sermoExiit sermo
  49. 🔍 26% Nocte surgentesNocte surgentes
  50. 🔍 26% Hodie completi suntHodie completi sunt
  51. 🔍 26% Repleti suntRepleti sunt
  52. 🔍 26% Misi digitum meumMisi digitum meum
  53. 🔍 26% Te lucis ante terminum (In Festis Minoribus)Te lucis ante terminum (In Festis Minoribus)
  54. 🔍 26% Laetamini cum JerusalemLaetamini cum Jerusalem
  55. 🔍 26% Cor mundumCor mundum
  56. 🔍 26% Ego sum resurrectioEgo sum resurrectio
  57. 🔍 25% Clamavi in toto cordeClamavi in toto corde
  58. 🔍 25% Domine in virtuteDomine in virtute
  59. 🔍 25% Vobis datum estVobis datum est
  60. 🔍 25% Memento nostriMemento nostri
  61. 🔍 25% Qui verbumQui verbum
  62. 🔍 25% Mitte manumMitte manum
  63. 🔍 25% Rerum Deus (In Festo Corporis Christi)Rerum Deus (In Festo Corporis Christi)
  64. 🔍 25% IN spirituIN spiritu
  65. 🔍 24% Dextera Domini fecitDextera Domini fecit