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% Legifer prudensLegifer prudens
  2. 🔍 73% Quos Dei vivaxQuos Dei vivax
  3. 🔍 46% O Redemptoris pietasO Redemptoris pietas
  4. 🔍 45% Fortis en praesulFortis en praesul
  5. 🔍 45% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  6. 🔍 42% Urbis aeterne celebresUrbis aeterne celebres
  7. 🔍 42% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  8. 🔍 41% Iste confessor (III)Iste confessor (III)
  9. 🔍 40% Virginis proles (III)Virginis proles (III)
  10. 🔍 40% Petre sol terrisPetre sol terris
  11. 🔍 38% Ad cenamAd cenam
  12. 🔍 37% Veni Creator SpiritusVeni Creator Spiritus
  13. 🔍 37% Iam ChristusIam Christus
  14. 🔍 36% Jam Christus astraJam Christus astra
  15. 🔍 36% Veni Creator (1983/1934)Veni Creator (1983/1934)
  16. 🔍 35% Fortis enFortis en
  17. 🔍 35% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  18. 🔍 35% Deus tuorum II Cl.Deus tuorum II Cl.
  19. 🔍 34% Haec hora (Pentecostes)Haec hora (Pentecostes)
  20. 🔍 34% Exsultet caelum (III)Exsultet caelum (III)
  21. 🔍 34% Vexilla Christus inclytaVexilla Christus inclyta
  22. 🔍 34% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  23. 🔍 34% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  24. 🔍 33% Veni Creator SpiritusVeni Creator Spiritus
  25. 🔍 32% Ecce jam noctisEcce jam noctis
  26. 🔍 32% Jam Christus astra ascenderatJam Christus astra ascenderat
  27. 🔍 32% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  28. 🔍 32% Jam Christus astraJam Christus astra
  29. 🔍 32% Ex more docti mysticoEx more docti mystico
  30. 🔍 32% Aeterne rerum conditorAeterne rerum conditor
  31. 🔍 32% Ternis horarum terminisTernis horarum terminis
  32. 🔍 32% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  33. 🔍 31% Christe Redemptor omniumChriste Redemptor omnium
  34. 🔍 31% O mira caritasO mira caritas
  35. 🔍 31% Mente jucundaMente jucunda
  36. 🔍 31% Veni Creator SpiritusVeni Creator Spiritus
  37. 🔍 31% Dicamus laudes DominoDicamus laudes Domino
  38. 🔍 31% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  39. 🔍 31% Aeterna imago AltissimiAeterna imago Altissimi
  40. 🔍 31% Ex more docti MysticoEx more docti Mystico
  41. 🔍 31% Sanctorum meritisSanctorum meritis
  42. 🔍 31% Commune vos apostoliCommune vos apostoli
  43. 🔍 31% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  44. 🔍 31% En acetumEn acetum
  45. 🔍 31% En acetumEn acetum
  46. 🔍 30% Venite servi (Pentecostes)Venite servi (Pentecostes)
  47. 🔍 30% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  48. 🔍 30% Lustra sex qui jamLustra sex qui jam
  49. 🔍 30% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  50. 🔍 30% Vexilla ChristusVexilla Christus
  51. 🔍 30% O rex aeterne DomineO rex aeterne Domine
  52. 🔍 30% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  53. 🔍 30% Puer Nobis NasciturPuer Nobis Nascitur
  54. 🔍 30% Christe pastorum (Pro Papa)Christe pastorum (Pro Papa)
  55. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  56. 🔍 29% Lustris sex qui jam peractisLustris sex qui jam peractis
  57. 🔍 29% Pange lingua... proeliumPange lingua... proelium
  58. 🔍 29% Nunc tempus acceptabileNunc tempus acceptabile
  59. 🔍 29% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  60. 🔍 29% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  61. 🔍 29% Christe pastorum (Pro Episcopo)Christe pastorum (Pro Episcopo)
  62. 🔍 29% Pange lingua... LaureamPange lingua... Lauream
  63. 🔍 29% O quot undis lacrimarumO quot undis lacrimarum
  64. 🔍 29% Barnabae clarumBarnabae clarum
  65. 🔍 29% Qua Christus hora sitiitQua Christus hora sitiit