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% Haec hora (Pentecostes)Haec hora (Pentecostes)
  2. 🔍 65% Haec horaHaec hora
  3. 🔍 57% Iam ChristusIam Christus
  4. 🔍 56% Jam Christus astraJam Christus astra
  5. 🔍 56% Jam Christus astraJam Christus astra
  6. 🔍 56% Ad cenamAd cenam
  7. 🔍 55% Aeterna imago AltissimiAeterna imago Altissimi
  8. 🔍 54% Exsultet caelum (III)Exsultet caelum (III)
  9. 🔍 54% Haec hora (TP)Haec hora (TP)
  10. 🔍 54% Deus tuorum II Cl.Deus tuorum II Cl.
  11. 🔍 51% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  12. 🔍 51% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  13. 🔍 50% Venite servi (Pentecostes)Venite servi (Pentecostes)
  14. 🔍 49% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  15. 🔍 47% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  16. 🔍 44% Vexilla Christus inclytaVexilla Christus inclyta
  17. 🔍 43% Te saeculorum PrincipemTe saeculorum Principem
  18. 🔍 42% Hostis HerodesHostis Herodes
  19. 🔍 42% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  20. 🔍 41% Virginis proles (III)Virginis proles (III)
  21. 🔍 41% Beata nobis gaudiaBeata nobis gaudia
  22. 🔍 41% Beata nobis gaudiaBeata nobis gaudia
  23. 🔍 41% A solis ortusA solis ortus
  24. 🔍 41% Jam Christus astra ascenderatJam Christus astra ascenderat
  25. 🔍 40% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  26. 🔍 40% Veni Redemptor gentiumVeni Redemptor gentium
  27. 🔍 40% Ad regias Agni dapesAd regias Agni dapes
  28. 🔍 40% Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)
  29. 🔍 40% Ad cenamAd cenam
  30. 🔍 39% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  31. 🔍 39% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  32. 🔍 39% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  33. 🔍 38% Te saeculorum PrincipemTe saeculorum Principem
  34. 🔍 38% Te lucis ante terminum (In Pentecoste)Te lucis ante terminum (In Pentecoste)
  35. 🔍 38% O MartineO Martine
  36. 🔍 38% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  37. 🔍 37% Ex more docti mysticoEx more docti mystico
  38. 🔍 37% Dei fideDei fide
  39. 🔍 37% Lustra sex qui jamLustra sex qui jam
  40. 🔍 37% En acetumEn acetum
  41. 🔍 37% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  42. 🔍 37% Jesu nostra redemptioJesu nostra redemptio
  43. 🔍 37% Jam Christus astra ascenderatJam Christus astra ascenderat
  44. 🔍 37% Qua Christus hora sitiitQua Christus hora sitiit
  45. 🔍 36% En acetumEn acetum
  46. 🔍 36% Te Joseph celebrentTe Joseph celebrent
  47. 🔍 36% Te Joseph celebrentTe Joseph celebrent
  48. 🔍 36% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  49. 🔍 36% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  50. 🔍 36% Te IosephTe Ioseph
  51. 🔍 36% Lustris sex qui jam peractisLustris sex qui jam peractis
  52. 🔍 36% Veni Creator (1983/1934)Veni Creator (1983/1934)
  53. 🔍 36% Pange lingua... proeliumPange lingua... proelium
  54. 🔍 36% Coelitum JosephCoelitum Joseph
  55. 🔍 36% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  56. 🔍 36% Ex more docti MysticoEx more docti Mystico
  57. 🔍 36% Iesu Salvator saeculiIesu Salvator saeculi
  58. 🔍 36% O Redemptoris pietasO Redemptoris pietas
  59. 🔍 36% Fortis en praesulFortis en praesul
  60. 🔍 35% Veni Creator SpiritusVeni Creator Spiritus
  61. 🔍 35% Veni Creator SpiritusVeni Creator Spiritus
  62. 🔍 35% Nunc tempus acceptabileNunc tempus acceptabile
  63. 🔍 35% Auctor beate saeculiAuctor beate saeculi
  64. 🔍 35% Legis sacrataeLegis sacratae
  65. 🔍 35% Aeterna imago altissimiAeterna imago altissimi