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% Virginis proles (I)Virginis proles (I)
  2. 🔍 72% Iste confessor (I)Iste confessor (I)
  3. 🔍 70% Christe sanctorumChriste sanctorum
  4. 🔍 57% Virginis proles (III)Virginis proles (III)
  5. 🔍 57% Virginis proles (II)Virginis proles (II)
  6. 🔍 47% Rerum Deus fonsRerum Deus fons
  7. 🔍 44% Virginis proles opifexque MatrisVirginis proles opifexque Matris
  8. 🔍 43% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  9. 🔍 43% Virginis Proles (pro virgine et martyre)Virginis Proles (pro virgine et martyre)
  10. 🔍 41% Virginis ProlesVirginis Proles
  11. 🔍 40% O quantum in CruceO quantum in Cruce
  12. 🔍 38% Virgo clemensVirgo clemens
  13. 🔍 38% Virginis Proles (ad libitum)Virginis Proles (ad libitum)
  14. 🔍 37% Virginis prolesVirginis proles
  15. 🔍 37% Virginis ProlesVirginis Proles
  16. 🔍 37% Virginis proles opifexque MatrisVirginis proles opifexque Matris
  17. 🔍 35% Ave Maria... virgo serenaAve Maria... virgo serena
  18. 🔍 33% Crux fidelisCrux fidelis
  19. 🔍 33% Benedicamus Domino (I)Benedicamus Domino (I)
  20. 🔍 33% Salvete Christi vulneraSalvete Christi vulnera
  21. 🔍 32% Deus tuorum militumDeus tuorum militum
  22. 🔍 32% Sapientia hujusSapientia hujus
  23. 🔍 31% Ave Maris stellaAve Maris stella
  24. 🔍 31% Deus tuorum militumDeus tuorum militum
  25. 🔍 31% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  26. 🔍 31% Deus tuorum militumDeus tuorum militum
  27. 🔍 31% Deus tuorum militumDeus tuorum militum
  28. 🔍 30% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  29. 🔍 30% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  30. 🔍 30% Apostolorum passio diemApostolorum passio diem
  31. 🔍 30% Parce DomineParce Domine
  32. 🔍 29% Caelitum Joseph decusCaelitum Joseph decus
  33. 🔍 29% Rex summe regumRex summe regum
  34. 🔍 29% Optatus votis omniumOptatus votis omnium
  35. 🔍 29% Ave maris stella (I)Ave maris stella (I)
  36. 🔍 29% Caelitum Joseph decusCaelitum Joseph decus
  37. 🔍 29% Commune vos apostoliCommune vos apostoli
  38. 🔍 29% Exsultet caelum (II)Exsultet caelum (II)
  39. 🔍 29% Exsultet iam angelicaExsultet iam angelica
  40. 🔍 29% Benedicamus Domino (I classis)Benedicamus Domino (I classis)
  41. 🔍 29% Deus tuorum militumDeus tuorum militum
  42. 🔍 29% Jesu Salvator saeculiJesu Salvator saeculi
  43. 🔍 29% Decora lux aeternitatisDecora lux aeternitatis
  44. 🔍 29% MemorareMemorare
  45. 🔍 28% Deus tuorum II Cl.Deus tuorum II Cl.
  46. 🔍 28% Decora lux aeternitatisDecora lux aeternitatis
  47. 🔍 28% Stephani victoria!Stephani victoria!
  48. 🔍 28% Factum est in unaFactum est in una
  49. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  50. 🔍 28% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  51. 🔍 28% Beate Pastor PetreBeate Pastor Petre
  52. 🔍 28% Relucens inter principesRelucens inter principes
  53. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  54. 🔍 28% Qui luce splendesQui luce splendes
  55. 🔍 28% Stabat MaterStabat Mater
  56. 🔍 27% Gloria IIGloria II
  57. 🔍 27% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  58. 🔍 27% Qui procedisQui procedis
  59. 🔍 27% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  60. 🔍 27% Credo I.Credo I.
  61. 🔍 27% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  62. 🔍 27% Te DeumTe Deum
  63. 🔍 27% Te DeumTe Deum
  64. 🔍 27% Cohors beata SeraphimCohors beata Seraphim
  65. 🔍 27% Qui luce splendesQui luce splendes