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% Omnis expertemOmnis expertem
  2. 🔍 90% Omnis expertem maculaeOmnis expertem maculae
  3. 🔍 88% Omnis expertemOmnis expertem
  4. 🔍 79% Omnis expertemOmnis expertem
  5. 🔍 40% Omnis expertemOmnis expertem
  6. 🔍 39% Post partum VirgoPost partum Virgo
  7. 🔍 38% Jesu Fili summi PatrisJesu Fili summi Patris
  8. 🔍 38% Veni Redemptor gentiumVeni Redemptor gentium
  9. 🔍 38% Te Matrem laudamusTe Matrem laudamus
  10. 🔍 37% Exsultet jam AngelicaExsultet jam Angelica
  11. 🔍 37% Te DeumTe Deum
  12. 🔍 37% Te DeumTe Deum
  13. 🔍 37% Ternis horarum terminis (A Sollemnitate Epiphaniae)Ternis horarum terminis (A Sollemnitate Epiphaniae)
  14. 🔍 37% Ave lumenAve lumen
  15. 🔍 37% Legis sacrataeLegis sacratae
  16. 🔍 37% Te DeumTe Deum
  17. 🔍 36% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  18. 🔍 36% Miserere (Ps 50)Miserere (Ps 50)
  19. 🔍 36% Te DeumTe Deum
  20. 🔍 36% Sic Patres vitamSic Patres vitam
  21. 🔍 36% Felix per omnesFelix per omnes
  22. 🔍 35% Concito gressuConcito gressu
  23. 🔍 35% Deo canamusDeo canamus
  24. 🔍 35% Te beata sponsa ChristiTe beata sponsa Christi
  25. 🔍 34% Virginis virgoVirginis virgo
  26. 🔍 34% Exsultet iam angelicaExsultet iam angelica
  27. 🔍 34% Voce jucunditatisVoce jucunditatis
  28. 🔍 34% Exsultet iam angelicaExsultet iam angelica
  29. 🔍 34% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  30. 🔍 34% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  31. 🔍 34% Grata Virgini MariaeGrata Virgini Mariae
  32. 🔍 34% Credo VIICredo VII
  33. 🔍 34% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  34. 🔍 34% Gloria VGloria V
  35. 🔍 33% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  36. 🔍 33% Ave Virgo nobilisAve Virgo nobilis
  37. 🔍 33% Sanctitatis nova signaSanctitatis nova signa
  38. 🔍 33% Sanctitatis nova signaSanctitatis nova signa
  39. 🔍 33% Ternis horarum (In festis)Ternis horarum (In festis)
  40. 🔍 33% Ad Virginem Dei MatremAd Virginem Dei Matrem
  41. 🔍 33% Telluris omnes incolaeTelluris omnes incolae
  42. 🔍 33% O vos aethereiO vos aetherei
  43. 🔍 33% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  44. 🔍 33% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  45. 🔍 33% Certum tenentes ordinem (A Sollemnitate Epiphaniae)Certum tenentes ordinem (A Sollemnitate Epiphaniae)
  46. 🔍 33% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  47. 🔍 33% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  48. 🔍 33% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  49. 🔍 33% Lauda SionLauda Sion
  50. 🔍 33% Virginis proles (III)Virginis proles (III)
  51. 🔍 33% A solis ortusA solis ortus
  52. 🔍 33% Exsultet jam AngelicaExsultet jam Angelica
  53. 🔍 33% MemorareMemorare
  54. 🔍 33% Veni Redemptor gentiumVeni Redemptor gentium
  55. 🔍 33% Praefatio de Adventu IPraefatio de Adventu I
  56. 🔍 33% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  57. 🔍 33% Alto ex Olympi verticeAlto ex Olympi vertice
  58. 🔍 33% Stabat Mater DolorosaStabat Mater Dolorosa
  59. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  60. 🔍 33% Gloria XIGloria XI
  61. 🔍 33% Dicamus laudes Domino (A Sollemnitate Epiphaniae)Dicamus laudes Domino (A Sollemnitate Epiphaniae)
  62. 🔍 33% Stabat MaterStabat Mater
  63. 🔍 33% Bella dum lateBella dum late
  64. 🔍 32% Roma Petro GlorieturRoma Petro Glorietur
  65. 🔍 32% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista