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% Alma RedemptorisAlma Redemptoris
  2. 🔍 66% Alma RedemptorisAlma Redemptoris
  3. 🔍 59% Alma RedemptorisAlma Redemptoris
  4. 🔍 56% Alma Redemptoris (tonus simplex)Alma Redemptoris (tonus simplex)
  5. 🔍 54% Alma Redemptoris MaterAlma Redemptoris Mater
  6. 🔍 53% Alma Redemptoris (monasticum)Alma Redemptoris (monasticum)
  7. 🔍 49% Alma RedemptorisAlma Redemptoris
  8. 🔍 47% Alma RedemptorisAlma Redemptoris
  9. 🔍 47% Alma RedemptorisAlma Redemptoris
  10. 🔍 46% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  11. 🔍 32% Ad te confugimusAd te confugimus
  12. 🔍 28% Ad cenamAd cenam
  13. 🔍 27% Veni Creator (1983/1934)Veni Creator (1983/1934)
  14. 🔍 27% Ad te confugimusAd te confugimus
  15. 🔍 27% Veni Creator SpiritusVeni Creator Spiritus
  16. 🔍 26% Jam Christus astraJam Christus astra
  17. 🔍 26% Jam Christus astra ascenderatJam Christus astra ascenderat
  18. 🔍 26% Deus tuorum II Cl.Deus tuorum II Cl.
  19. 🔍 26% Iam ChristusIam Christus
  20. 🔍 25% Sanctorum meritisSanctorum meritis
  21. 🔍 25% Ex more docti mysticoEx more docti mystico
  22. 🔍 25% Jam Christus astraJam Christus astra
  23. 🔍 25% Veni Creator SpiritusVeni Creator Spiritus
  24. 🔍 24% Ex quo religioEx quo religio
  25. 🔍 24% O virgo maximaO virgo maxima
  26. 🔍 24% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  27. 🔍 24% Veni Creator SpiritusVeni Creator Spiritus
  28. 🔍 24% Divine ductor RaphaelDivine ductor Raphael
  29. 🔍 23% Haec hora (Pentecostes)Haec hora (Pentecostes)
  30. 🔍 23% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  31. 🔍 23% Exsultet caelum (III)Exsultet caelum (III)
  32. 🔍 23% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  33. 🔍 23% Ave lumenAve lumen
  34. 🔍 23% O mira caritasO mira caritas
  35. 🔍 23% Veni Redemptor gentiumVeni Redemptor gentium
  36. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  37. 🔍 23% Regis superni nuntiaRegis superni nuntia
  38. 🔍 23% Fortis en praesulFortis en praesul
  39. 🔍 22% O Redemptoris pietasO Redemptoris pietas
  40. 🔍 22% Ex more docti MysticoEx more docti Mystico
  41. 🔍 22% Vexilla Christus inclytaVexilla Christus inclyta
  42. 🔍 22% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  43. 🔍 22% Ex more docti mysticoEx more docti mystico
  44. 🔍 22% O MartineO Martine
  45. 🔍 22% Aeterna imago AltissimiAeterna imago Altissimi
  46. 🔍 22% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  47. 🔍 22% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  48. 🔍 22% Ave Maria... virgo serenaAve Maria... virgo serena
  49. 🔍 22% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  50. 🔍 22% Jesu nostra redemptioJesu nostra redemptio
  51. 🔍 22% O vos unanimesO vos unanimes
  52. 🔍 22% Iste confessor (III)Iste confessor (III)
  53. 🔍 22% Maria virgo regiaMaria virgo regia
  54. 🔍 22% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  55. 🔍 22% Voce jucunditatisVoce jucunditatis
  56. 🔍 22% Gloria IIGloria II
  57. 🔍 22% Lustra sex qui jamLustra sex qui jam
  58. 🔍 22% O sancta mundi dominaO sancta mundi domina
  59. 🔍 22% MemorareMemorare
  60. 🔍 22% Rector potens verax Deus (In Pentecoste)Rector potens verax Deus (In Pentecoste)
  61. 🔍 21% Laetabundus (1950 version)Laetabundus (1950 version)
  62. 🔍 21% Legis sacrataeLegis sacratae
  63. 🔍 21% Virginis proles (III)Virginis proles (III)
  64. 🔍 21% Ave Regis AngelorumAve Regis Angelorum
  65. 🔍 21% Pange Lingua... ProeliumPange Lingua... Proelium