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% Joachim est nataJoachim est nata
  2. 🔍 33% Oratio felixOratio felix
  3. 🔍 30% Ave lumenAve lumen
  4. 🔍 29% Post partum VirgoPost partum Virgo
  5. 🔍 27% Ave Virgo specieiAve Virgo speciei
  6. 🔍 27% Te gentesTe gentes
  7. 🔍 26% Tubas Cum CytharisTubas Cum Cytharis
  8. 🔍 26% Eva virumEva virum
  9. 🔍 26% InviolataInviolata
  10. 🔍 26% Laetabundus (1985 version)Laetabundus (1985 version)
  11. 🔍 25% Ad Virginem Dei MatremAd Virginem Dei Matrem
  12. 🔍 25% Laetabundus (1950 version)Laetabundus (1950 version)
  13. 🔍 25% Laudes Crucis AttollamusLaudes Crucis Attollamus
  14. 🔍 25% Gaude mater AnnaGaude mater Anna
  15. 🔍 25% Doleo super teDoleo super te
  16. 🔍 25% Omni die dic MariaeOmni die dic Mariae
  17. 🔍 25% Stabat Mater (simple)Stabat Mater (simple)
  18. 🔍 25% Fulget mundo celebrisFulget mundo celebris
  19. 🔍 25% LaetabundusLaetabundus
  20. 🔍 24% InviolataInviolata
  21. 🔍 24% Gaude mater AnnaGaude mater Anna
  22. 🔍 24% Stabat Mater speciosa!Stabat Mater speciosa!
  23. 🔍 24% Ave MaterAve Mater
  24. 🔍 24% Quam pulchre graditurQuam pulchre graditur
  25. 🔍 24% Fulget mundo celebrisFulget mundo celebris
  26. 🔍 24% Ave mundi spes MariaAve mundi spes Maria
  27. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  28. 🔍 23% Gentis redemptaeGentis redemptae
  29. 🔍 23% Ave plena gratiaeAve plena gratiae
  30. 🔍 23% Credo I.Credo I.
  31. 🔍 23% Ave Regina caelorumAve Regina caelorum
  32. 🔍 23% O Maria, gratia plenaO Maria, gratia plena
  33. 🔍 23% Stella maris o MariaStella maris o Maria
  34. 🔍 23% Credo Missa RegiaCredo Missa Regia
  35. 🔍 23% Ave Regina caelorumAve Regina caelorum
  36. 🔍 23% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  37. 🔍 23% Credo (Missa Regia I)Credo (Missa Regia I)
  38. 🔍 22% Ave Maria... virgo serenaAve Maria... virgo serena
  39. 🔍 22% Te Matrem laudamusTe Matrem laudamus
  40. 🔍 22% Salve mundiSalve mundi
  41. 🔍 22% Veni praecelsa DominaVeni praecelsa Domina
  42. 🔍 22% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  43. 🔍 22% Stabat Mater speciosaStabat Mater speciosa
  44. 🔍 22% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  45. 🔍 22% Cohors beata SeraphimCohors beata Seraphim
  46. 🔍 22% Sanctitatis nova signaSanctitatis nova signa
  47. 🔍 22% Sanctitatis nova signaSanctitatis nova signa
  48. 🔍 22% MemorareMemorare
  49. 🔍 22% Ergone CoelestiumErgone Coelestium
  50. 🔍 22% Montes GelboeMontes Gelboe
  51. 🔍 21% Voce jucunditatisVoce jucunditatis
  52. 🔍 21% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  53. 🔍 21% Stabat Mater dolorosaStabat Mater dolorosa
  54. 🔍 21% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  55. 🔍 21% Roma Petro GlorieturRoma Petro Glorietur
  56. 🔍 21% Salve turba duodenaSalve turba duodena
  57. 🔍 21% Aeterne rerum ... noctemAeterne rerum ... noctem
  58. 🔍 21% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  59. 🔍 21% MemorareMemorare
  60. 🔍 21% Angularis fundamentumAngularis fundamentum
  61. 🔍 21% Ave maris stella clarum jubarAve maris stella clarum jubar
  62. 🔍 21% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  63. 🔍 21% Praefatio solemnis de AngelisPraefatio solemnis de Angelis
  64. 🔍 21% Praefatio solemnior de AngelisPraefatio solemnior de Angelis
  65. 🔍 21% Puer natus estPuer natus est