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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  2. πŸ” 67% O sola magnarum urbiumO sola magnarum urbium
  3. πŸ” 41% Rector potens verax Deus (In tempore Nativitatis)Rector potens verax Deus (In tempore Nativitatis)
  4. πŸ” 41% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  5. πŸ” 40% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  6. πŸ” 38% Rerum Deus tenax vigor (Tempore Nativitatis)Rerum Deus tenax vigor (Tempore Nativitatis)
  7. πŸ” 38% O nata lux de lumineO nata lux de lumine
  8. πŸ” 37% Nunc sancte nobis spiritus (In tempore Nativitatis)Nunc sancte nobis spiritus (In tempore Nativitatis)
  9. πŸ” 37% Nunc Sancte nobis Spiritus (In Nativ. Domini)Nunc Sancte nobis Spiritus (In Nativ. Domini)
  10. πŸ” 36% Gloria IIIGloria III
  11. πŸ” 36% Iesu corona virginumIesu corona virginum
  12. πŸ” 35% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  13. πŸ” 35% Ad coenamAd coenam
  14. πŸ” 34% Vir celse forma fulgidaVir celse forma fulgida
  15. πŸ” 33% Iesu corona virginumIesu corona virginum
  16. πŸ” 33% Agathae sacraeAgathae sacrae
  17. πŸ” 33% Apostolorum supparemApostolorum supparem
  18. πŸ” 33% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  19. πŸ” 32% Aeterne Rex altissimeAeterne Rex altissime
  20. πŸ” 32% Rerum supremo in verticeRerum supremo in vertice
  21. πŸ” 32% Rerum supremo Rerum supremo
  22. πŸ” 32% Tibi Redemptor omniumTibi Redemptor omnium
  23. πŸ” 32% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  24. πŸ” 31% Te dicimus praeconio materTe dicimus praeconio mater
  25. πŸ” 31% Gloria I.Gloria I.
  26. πŸ” 31% Martyr DeiMartyr Dei
  27. πŸ” 30% Exsultet jam AngelicaExsultet jam Angelica
  28. πŸ” 30% Christe Redemptor omniumChriste Redemptor omnium
  29. πŸ” 30% Iam caecaIam caeca
  30. πŸ” 29% Exsultet caelum gaudibus (S. Joanni Evangelistae)Exsultet caelum gaudibus (S. Joanni Evangelistae)
  31. πŸ” 29% A solis ortus cardineA solis ortus cardine
  32. πŸ” 29% Salvete flores MartyrumSalvete flores Martyrum
  33. πŸ” 28% Audit tyrannus anxiusAudit tyrannus anxius
  34. πŸ” 28% Radix IesseRadix Iesse
  35. πŸ” 28% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  36. πŸ” 28% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  37. πŸ” 28% Credo VIICredo VII
  38. πŸ” 28% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  39. πŸ” 27% Hostis Herodes impieHostis Herodes impie
  40. πŸ” 27% Gloria VIGloria VI
  41. πŸ” 27% Auctor salutis uniceAuctor salutis unice
  42. πŸ” 27% Gentem Francorum inclytamGentem Francorum inclytam
  43. πŸ” 27% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  44. πŸ” 27% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  45. πŸ” 27% Praefatio de Adventu IPraefatio de Adventu I
  46. πŸ” 27% Certum tenentes (In festis)Certum tenentes (In festis)
  47. πŸ” 26% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  48. πŸ” 26% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  49. πŸ” 26% Dicamus laudes (In festis)Dicamus laudes (In festis)
  50. πŸ” 26% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  51. πŸ” 26% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  52. πŸ” 26% Gloria VGloria V
  53. πŸ” 26% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  54. πŸ” 26% Rex summe regum (Prop. GalliΓ¦)Rex summe regum (Prop. GalliΓ¦)
  55. πŸ” 26% Quem terra pontus aetheraQuem terra pontus aethera
  56. πŸ” 26% A solis ortu... HieronymeA solis ortu... Hieronyme
  57. πŸ” 26% Rector potens (In Festis Majoribus)Rector potens (In Festis Majoribus)
  58. πŸ” 26% Auctor salutisAuctor salutis
  59. πŸ” 26% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  60. πŸ” 26% Qui lacrimatusQui lacrimatus
  61. πŸ” 25% Laetare caelum desuperLaetare caelum desuper
  62. πŸ” 25% Aurora velut fulgidaAurora velut fulgida
  63. πŸ” 25% Memento, salutis AuctorMemento, salutis Auctor
  64. πŸ” 25% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  65. πŸ” 25% Gloria XIGloria XI