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% Credo VIICredo VII
  2. 🔍 78% Credo IICredo II
  3. 🔍 76% Credo IVCredo IV
  4. 🔍 71% Credo IV (more ambrosiano)Credo IV (more ambrosiano)
  5. 🔍 71% Credo ICredo I
  6. 🔍 70% Credo Missa RegiaCredo Missa Regia
  7. 🔍 65% Credo IICredo II
  8. 🔍 64% Credo ICredo I
  9. 🔍 64% Credo in DeumCredo in Deum
  10. 🔍 64% Credo ICredo I
  11. 🔍 61% Credo ICredo I
  12. 🔍 61% Credo (Missa Regia I)Credo (Missa Regia I)
  13. 🔍 59% Credo Apostolorum (altera melodia)Credo Apostolorum (altera melodia)
  14. 🔍 59% Credo I (forma ordinaria)Credo I (forma ordinaria)
  15. 🔍 57% Credo (Missa secundi Toni)Credo (Missa secundi Toni)
  16. 🔍 56% Credo VCredo V
  17. 🔍 55% Credo IICredo II
  18. 🔍 47% Aeterne Rex altissimeAeterne Rex altissime
  19. 🔍 46% Exsultet jam AngelicaExsultet jam Angelica
  20. 🔍 46% Credo I.Credo I.
  21. 🔍 45% Verbum supernum prodiensVerbum supernum prodiens
  22. 🔍 45% Credo IIICredo III
  23. 🔍 44% Aeterne Rex altissimeAeterne Rex altissime
  24. 🔍 44% Verbum supernumVerbum supernum
  25. 🔍 44% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  26. 🔍 43% A solis ortusA solis ortus
  27. 🔍 43% Verbum supernum prodiensVerbum supernum prodiens
  28. 🔍 43% Veni Redemptor gentiumVeni Redemptor gentium
  29. 🔍 43% Miserere (Ps 50)Miserere (Ps 50)
  30. 🔍 42% Iesu salvator saeculiIesu salvator saeculi
  31. 🔍 42% Credo IIICredo III
  32. 🔍 42% Credo IICredo II
  33. 🔍 42% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  34. 🔍 42% Jesu Salvator saeculiJesu Salvator saeculi
  35. 🔍 41% Te CatharinaTe Catharina
  36. 🔍 41% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  37. 🔍 41% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  38. 🔍 41% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  39. 🔍 41% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  40. 🔍 40% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  41. 🔍 40% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  42. 🔍 40% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  43. 🔍 40% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  44. 🔍 40% Laetare caelum desuperLaetare caelum desuper
  45. 🔍 40% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  46. 🔍 40% Elegit... virumElegit... virum
  47. 🔍 40% Tibi Redemptor omniumTibi Redemptor omnium
  48. 🔍 40% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  49. 🔍 40% Gloria VGloria V
  50. 🔍 40% Salvete Christi vulneraSalvete Christi vulnera
  51. 🔍 39% Lux alma Jesu mentiumLux alma Jesu mentium
  52. 🔍 39% In principio creavitIn principio creavit
  53. 🔍 39% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  54. 🔍 39% Ad regias Agni dapesAd regias Agni dapes
  55. 🔍 39% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  56. 🔍 39% Ad regias Agni dapesAd regias Agni dapes
  57. 🔍 39% Ternis horarum (In festis)Ternis horarum (In festis)
  58. 🔍 39% Gloria XGloria X
  59. 🔍 39% Salutis aeternae datorSalutis aeternae dator
  60. 🔍 39% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  61. 🔍 39% Hostis HerodesHostis Herodes
  62. 🔍 39% Deus tuorum militumDeus tuorum militum
  63. 🔍 39% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  64. 🔍 39% Corde natus ex ParentisCorde natus ex Parentis
  65. 🔍 39% Beata Dei GenitrixBeata Dei Genitrix