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% Qua Christus hora sitiitQua Christus hora sitiit
  2. 🔍 68% Qua ChristusQua Christus
  3. 🔍 68% Qua Christus hora sitiitQua Christus hora sitiit
  4. 🔍 68% Dei fideDei fide
  5. 🔍 64% Ex more docti mysticoEx more docti mystico
  6. 🔍 63% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  7. 🔍 60% Ternis ter horisTernis ter horis
  8. 🔍 58% Ex more docti MysticoEx more docti Mystico
  9. 🔍 58% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  10. 🔍 58% Nunc tempus acceptabileNunc tempus acceptabile
  11. 🔍 57% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  12. 🔍 56% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  13. 🔍 49% Jam Christus astraJam Christus astra
  14. 🔍 46% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  15. 🔍 45% Aeterna imago AltissimiAeterna imago Altissimi
  16. 🔍 44% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  17. 🔍 44% Vexilla Christus inclytaVexilla Christus inclyta
  18. 🔍 44% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  19. 🔍 43% Jam Christus astraJam Christus astra
  20. 🔍 43% Iam ChristusIam Christus
  21. 🔍 42% Jam Christus astra ascenderatJam Christus astra ascenderat
  22. 🔍 41% Veni Creator (1983/1934)Veni Creator (1983/1934)
  23. 🔍 41% Christe Redemptor omniumChriste Redemptor omnium
  24. 🔍 41% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  25. 🔍 40% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  26. 🔍 40% Veni Creator SpiritusVeni Creator Spiritus
  27. 🔍 39% Pange lingua... proeliumPange lingua... proelium
  28. 🔍 39% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  29. 🔍 39% Jesu nostra redemptioJesu nostra redemptio
  30. 🔍 39% Ex more docti mysticoEx more docti mystico
  31. 🔍 39% Veni Creator SpiritusVeni Creator Spiritus
  32. 🔍 39% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  33. 🔍 38% Lustra sex qui jamLustra sex qui jam
  34. 🔍 38% En acetumEn acetum
  35. 🔍 38% Veni Creator SpiritusVeni Creator Spiritus
  36. 🔍 38% Pange lingua... LaureamPange lingua... Lauream
  37. 🔍 38% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  38. 🔍 38% Laeti colentes famulumLaeti colentes famulum
  39. 🔍 38% Lustris sex qui jam peractisLustris sex qui jam peractis
  40. 🔍 38% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  41. 🔍 37% En acetumEn acetum
  42. 🔍 37% Pange Lingua... ProeliumPange Lingua... Proelium
  43. 🔍 37% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  44. 🔍 37% Ad cenamAd cenam
  45. 🔍 37% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  46. 🔍 37% Haec hora (Pentecostes)Haec hora (Pentecostes)
  47. 🔍 36% Candor aeternaeCandor aeternae
  48. 🔍 36% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  49. 🔍 36% Legis sacrataeLegis sacratae
  50. 🔍 36% Bernardus doctor inclitusBernardus doctor inclitus
  51. 🔍 36% A solis ortusA solis ortus
  52. 🔍 36% Signum crucisSignum crucis
  53. 🔍 36% Venite servi (Pentecostes)Venite servi (Pentecostes)
  54. 🔍 36% Quem terra pontus aetheraQuem terra pontus aethera
  55. 🔍 36% Iesu corona celsiorIesu corona celsior
  56. 🔍 36% Iesu corona celsiorIesu corona celsior
  57. 🔍 36% Rector potens verax Deus (In Pentecoste)Rector potens verax Deus (In Pentecoste)
  58. 🔍 35% Iesu corona celsiorIesu corona celsior
  59. 🔍 35% O quot undis lacrimarumO quot undis lacrimarum
  60. 🔍 35% O mira caritasO mira caritas
  61. 🔍 35% Hymnum canentes martyrumHymnum canentes martyrum
  62. 🔍 35% Ecce jam noctisEcce jam noctis
  63. 🔍 35% Commune vos apostoliCommune vos apostoli
  64. 🔍 35% Felix per omnesFelix per omnes
  65. 🔍 35% Veni Redemptor gentiumVeni Redemptor gentium