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% Alma Redemptoris MaterAlma Redemptoris Mater
  2. 🔍 60% Alma Redemptoris (tonus simplex)Alma Redemptoris (tonus simplex)
  3. 🔍 59% Alma Redemptoris (monasticum)Alma Redemptoris (monasticum)
  4. 🔍 59% Alma RedemptorisAlma Redemptoris
  5. 🔍 54% Alma RedemptorisAlma Redemptoris
  6. 🔍 51% Alma RedemptorisAlma Redemptoris
  7. 🔍 50% Alma RedemptorisAlma Redemptoris
  8. 🔍 49% Alma RedemptorisAlma Redemptoris
  9. 🔍 49% Alma RedemptorisAlma Redemptoris
  10. 🔍 45% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  11. 🔍 32% Ad te confugimusAd te confugimus
  12. 🔍 29% Ad te confugimusAd te confugimus
  13. 🔍 28% Sanctorum meritisSanctorum meritis
  14. 🔍 26% Ex quo religioEx quo religio
  15. 🔍 26% Ad cenamAd cenam
  16. 🔍 25% Ave lumenAve lumen
  17. 🔍 25% Exsultet jam AngelicaExsultet jam Angelica
  18. 🔍 25% Deus tuorum II Cl.Deus tuorum II Cl.
  19. 🔍 25% Veni Creator SpiritusVeni Creator Spiritus
  20. 🔍 25% Jam Christus astraJam Christus astra
  21. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 24% Veni Creator (1983/1934)Veni Creator (1983/1934)
  23. 🔍 24% Veni Redemptor gentiumVeni Redemptor gentium
  24. 🔍 24% O vos unanimesO vos unanimes
  25. 🔍 24% MemorareMemorare
  26. 🔍 24% Ave Maria... virgo serenaAve Maria... virgo serena
  27. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  28. 🔍 24% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  29. 🔍 24% Iam ChristusIam Christus
  30. 🔍 23% Te beata sponsa ChristiTe beata sponsa Christi
  31. 🔍 23% Christe caelorum DomineChriste caelorum Domine
  32. 🔍 23% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  33. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  34. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 23% Precemur omnes cernuiPrecemur omnes cernui
  36. 🔍 23% Ex more docti mysticoEx more docti mystico
  37. 🔍 23% O sancta mundi dominaO sancta mundi domina
  38. 🔍 23% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  39. 🔍 23% Jesu nostra redemptioJesu nostra redemptio
  40. 🔍 23% Te Matrem laudamusTe Matrem laudamus
  41. 🔍 23% Dixit mater eiusDixit mater eius
  42. 🔍 23% Stella caeliStella caeli
  43. 🔍 23% Maria virgo regiaMaria virgo regia
  44. 🔍 23% Jam Christus astraJam Christus astra
  45. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  46. 🔍 23% Ex more docti mysticoEx more docti mystico
  47. 🔍 23% Te Mater almaTe Mater alma
  48. 🔍 22% Verbum supernum prodiens aVerbum supernum prodiens a
  49. 🔍 22% Jam Christus astra ascenderatJam Christus astra ascenderat
  50. 🔍 22% A solis ortusA solis ortus
  51. 🔍 22% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  52. 🔍 22% O gente felix hospitaO gente felix hospita
  53. 🔍 22% Voce jucunditatisVoce jucunditatis
  54. 🔍 22% Verbum supernum prodiens a Verbum supernum prodiens a
  55. 🔍 22% Gloria IIGloria II
  56. 🔍 22% Praefatio solemnior de AngelisPraefatio solemnior de Angelis
  57. 🔍 22% Veni Creator SpiritusVeni Creator Spiritus
  58. 🔍 22% Ave Regis AngelorumAve Regis Angelorum
  59. 🔍 22% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  60. 🔍 22% Ad cenamAd cenam
  61. 🔍 22% Hostis HerodesHostis Herodes
  62. 🔍 22% Summi Parentis FilioSummi Parentis Filio
  63. 🔍 22% Ad regias Agni dapesAd regias Agni dapes
  64. 🔍 22% Rector potens (In Adventu)Rector potens (In Adventu)
  65. 🔍 22% Rector potens (In Adventu)Rector potens (In Adventu)