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% O pastor animarumO pastor animarum
  2. 🔍 27% O pastor animarumO pastor animarum
  3. 🔍 24% Dum paterfamiliasDum paterfamilias
  4. 🔍 20% Rerum Deus fonsRerum Deus fons
  5. 🔍 19% O Margarita poenitensO Margarita poenitens
  6. 🔍 19% Christe sanctorumChriste sanctorum
  7. 🔍 19% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  8. 🔍 19% Virgo clemensVirgo clemens
  9. 🔍 18% Crux fidelisCrux fidelis
  10. 🔍 18% Bernardinum qui divinum.Bernardinum qui divinum.
  11. 🔍 18% Ave Maria... virgo serenaAve Maria... virgo serena
  12. 🔍 18% O Trinitas laudabilisO Trinitas laudabilis
  13. 🔍 18% Emendemus in meliusEmendemus in melius
  14. 🔍 18% Pater noster (B)Pater noster (B)
  15. 🔍 17% Optatus votis omniumOptatus votis omnium
  16. 🔍 17% Ergone CoelestiumErgone Coelestium
  17. 🔍 17% AdestoAdesto
  18. 🔍 17% Fidelis almae concinat!Fidelis almae concinat!
  19. 🔍 17% Virginis proles (I)Virginis proles (I)
  20. 🔍 17% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  21. 🔍 17% Hodiernae lux dieiHodiernae lux diei
  22. 🔍 17% Lignum vitae quaerimus!Lignum vitae quaerimus!
  23. 🔍 17% Miserator Dominus escamMiserator Dominus escam
  24. 🔍 17% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  25. 🔍 17% EmendemusEmendemus
  26. 🔍 17% O beata infantiaO beata infantia
  27. 🔍 17% Lauda Mater... laudaLauda Mater... lauda
  28. 🔍 17% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  29. 🔍 16% Lucis Creator optime (another chant)Lucis Creator optime (another chant)
  30. 🔍 16% Iste confessor (I)Iste confessor (I)
  31. 🔍 16% Miserator DominusMiserator Dominus
  32. 🔍 16% Salvete Christi vulneraSalvete Christi vulnera
  33. 🔍 16% O Catharina nobilis!O Catharina nobilis!
  34. 🔍 16% Sanctus XI (forma ordinaria)Sanctus XI (forma ordinaria)
  35. 🔍 16% Eripe meEripe me
  36. 🔍 16% Decus morumDecus morum
  37. 🔍 16% Lucis Creator optime (Alius tonus II)Lucis Creator optime (Alius tonus II)
  38. 🔍 16% Stephani victoria!Stephani victoria!
  39. 🔍 16% ObtuleruntObtulerunt
  40. 🔍 15% Te DeumTe Deum
  41. 🔍 15% Venite exsultemus IV* (ad lib)Venite exsultemus IV* (ad lib)
  42. 🔍 15% Te DeumTe Deum
  43. 🔍 15% Hymnus Te DeumHymnus Te Deum
  44. 🔍 15% Libera nosLibera nos
  45. 🔍 15% Miserator DominusMiserator Dominus
  46. 🔍 15% Laudes Crucis AttollamusLaudes Crucis Attollamus
  47. 🔍 15% Pater NosterPater Noster
  48. 🔍 15% Dies iraeDies irae
  49. 🔍 15% Ave Maris stellaAve Maris stella
  50. 🔍 15% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  51. 🔍 15% Hymnus Te DeumHymnus Te Deum
  52. 🔍 15% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  53. 🔍 15% Dies iraeDies irae
  54. 🔍 15% Exsultet orbis gaudiisExsultet orbis gaudiis
  55. 🔍 15% Sanctus XISanctus XI
  56. 🔍 15% Exsultet orbis gaudiisExsultet orbis gaudiis
  57. 🔍 15% Peccatricem qui solvistiPeccatricem qui solvisti
  58. 🔍 15% Deus tuorum militumDeus tuorum militum
  59. 🔍 15% Ut queant laxisUt queant laxis
  60. 🔍 15% Optatus votisOptatus votis
  61. 🔍 15% Gloria VIIGloria VII
  62. 🔍 15% Exsultet jam AngelicaExsultet jam Angelica
  63. 🔍 15% Laudem diciteLaudem dicite
  64. 🔍 15% Misericors et miseratorMisericors et miserator
  65. 🔍 15% Potum meumPotum meum