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% Christe sanctorumChriste sanctorum
  2. 🔍 71% Iste confessor (I)Iste confessor (I)
  3. 🔍 70% Virginis proles (I)Virginis proles (I)
  4. 🔍 46% Rerum Deus fonsRerum Deus fons
  5. 🔍 42% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  6. 🔍 40% Virgo clemensVirgo clemens
  7. 🔍 39% Christe sanctorumChriste sanctorum
  8. 🔍 37% O quantum in CruceO quantum in Cruce
  9. 🔍 35% Christe Sanctorum (S. Raph.)Christe Sanctorum (S. Raph.)
  10. 🔍 35% Christe Sanctorum (S. Mich.)Christe Sanctorum (S. Mich.)
  11. 🔍 34% Ave Maria... virgo serenaAve Maria... virgo serena
  12. 🔍 34% Christe Sanctorum (S. Gabr.)Christe Sanctorum (S. Gabr.)
  13. 🔍 33% Christe sanctorum decus Angelorum (Raphaelis)Christe sanctorum decus Angelorum (Raphaelis)
  14. 🔍 33% Benedicamus Domino (I)Benedicamus Domino (I)
  15. 🔍 32% Angelum pacisAngelum pacis
  16. 🔍 32% Christe sanctorumChriste sanctorum
  17. 🔍 31% Ave Maris stellaAve Maris stella
  18. 🔍 31% Salvete Christi vulneraSalvete Christi vulnera
  19. 🔍 31% Christe sanctorum decus Angelorum (Gabrielis)Christe sanctorum decus Angelorum (Gabrielis)
  20. 🔍 31% Sapientia hujusSapientia hujus
  21. 🔍 31% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  22. 🔍 31% Missus Gabriel de coelisMissus Gabriel de coelis
  23. 🔍 31% Stephani victoria!Stephani victoria!
  24. 🔍 30% Crux fidelisCrux fidelis
  25. 🔍 30% Deus tuorum militumDeus tuorum militum
  26. 🔍 30% Deus tuorum militumDeus tuorum militum
  27. 🔍 30% Deus tuorum militumDeus tuorum militum
  28. 🔍 30% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  29. 🔍 30% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  30. 🔍 30% Gloria IIGloria II
  31. 🔍 29% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  32. 🔍 29% Optatus votis omniumOptatus votis omnium
  33. 🔍 29% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  34. 🔍 29% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  35. 🔍 29% Benedicamus Domino (I classis)Benedicamus Domino (I classis)
  36. 🔍 29% Commune vos apostoliCommune vos apostoli
  37. 🔍 29% Ave Regina caelorumAve Regina caelorum
  38. 🔍 29% Gloria VIIGloria VII
  39. 🔍 29% Ave maris stella (I)Ave maris stella (I)
  40. 🔍 28% Deus tuorum militumDeus tuorum militum
  41. 🔍 28% Caelitum Joseph decusCaelitum Joseph decus
  42. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  43. 🔍 28% Caelitum Joseph decusCaelitum Joseph decus
  44. 🔍 28% Deus tuorum militumDeus tuorum militum
  45. 🔍 28% Decora lux aeternitatisDecora lux aeternitatis
  46. 🔍 28% Ecce jam noctisEcce jam noctis
  47. 🔍 28% Decora lux aeternitatisDecora lux aeternitatis
  48. 🔍 28% Jesu Salvator saeculiJesu Salvator saeculi
  49. 🔍 28% Aeterne rerum conditorAeterne rerum conditor
  50. 🔍 28% Luce divinaLuce divina
  51. 🔍 28% Cohors beata SeraphimCohors beata Seraphim
  52. 🔍 27% Credo IVCredo IV
  53. 🔍 27% Credo I.Credo I.
  54. 🔍 27% Exsultet caelum (II)Exsultet caelum (II)
  55. 🔍 27% Te nostra laetisTe nostra laetis
  56. 🔍 27% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  57. 🔍 27% Gloria Missa RegiaGloria Missa Regia
  58. 🔍 27% LaetabundusLaetabundus
  59. 🔍 27% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  60. 🔍 27% Qui procedisQui procedis
  61. 🔍 27% Rex summe regumRex summe regum
  62. 🔍 27% Gloria Missa RegiaGloria Missa Regia
  63. 🔍 27% Parce DomineParce Domine
  64. 🔍 27% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  65. 🔍 27% Qui luce splendesQui luce splendes