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% O sola magnarum urbiumO sola magnarum urbium
  2. πŸ” 67% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  3. πŸ” 38% O sola magnarumO sola magnarum
  4. πŸ” 37% O solaO sola
  5. πŸ” 37% O sola magnarumO sola magnarum
  6. πŸ” 36% O nata lux de lumineO nata lux de lumine
  7. πŸ” 36% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  8. πŸ” 35% Rector potens verax Deus (In tempore Nativitatis)Rector potens verax Deus (In tempore Nativitatis)
  9. πŸ” 34% Rerum Deus tenax vigor (Tempore Nativitatis)Rerum Deus tenax vigor (Tempore Nativitatis)
  10. πŸ” 34% Nunc sancte nobis spiritus (In tempore Nativitatis)Nunc sancte nobis spiritus (In tempore Nativitatis)
  11. πŸ” 33% Iesu corona virginumIesu corona virginum
  12. πŸ” 33% Vir celse forma fulgidaVir celse forma fulgida
  13. πŸ” 33% Nunc Sancte nobis Spiritus (In Nativ. Domini)Nunc Sancte nobis Spiritus (In Nativ. Domini)
  14. πŸ” 32% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  15. πŸ” 31% Ad coenamAd coenam
  16. πŸ” 30% Aeterne Rex altissimeAeterne Rex altissime
  17. πŸ” 30% Hostis Herodes impieHostis Herodes impie
  18. πŸ” 30% Iesu corona virginumIesu corona virginum
  19. πŸ” 30% Apostolorum supparemApostolorum supparem
  20. πŸ” 30% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  21. πŸ” 29% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  22. πŸ” 28% Te dicimus praeconio materTe dicimus praeconio mater
  23. πŸ” 28% A solis ortus cardineA solis ortus cardine
  24. πŸ” 28% Gloria IIIGloria III
  25. πŸ” 28% Agathae sacraeAgathae sacrae
  26. πŸ” 27% Exsultet jam AngelicaExsultet jam Angelica
  27. πŸ” 27% Martyr DeiMartyr Dei
  28. πŸ” 27% Audit tyrannus anxiusAudit tyrannus anxius
  29. πŸ” 27% Gloria I.Gloria I.
  30. πŸ” 27% Salvete flores MartyrumSalvete flores Martyrum
  31. πŸ” 27% Gentem Francorum inclytamGentem Francorum inclytam
  32. πŸ” 27% Laetare caelum desuperLaetare caelum desuper
  33. πŸ” 27% Rerum supremo Rerum supremo
  34. πŸ” 26% Iam caecaIam caeca
  35. πŸ” 26% Rerum supremo in verticeRerum supremo in vertice
  36. πŸ” 26% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  37. πŸ” 25% Tibi Redemptor omniumTibi Redemptor omnium
  38. πŸ” 25% Rex summe regum (Prop. GalliΓ¦)Rex summe regum (Prop. GalliΓ¦)
  39. πŸ” 24% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  40. πŸ” 24% Qui lacrimatusQui lacrimatus
  41. πŸ” 24% Ternis horarum (In festis)Ternis horarum (In festis)
  42. πŸ” 24% Verbum supernum prodiens aVerbum supernum prodiens a
  43. πŸ” 24% Radix IesseRadix Iesse
  44. πŸ” 24% A solis ortu... HieronymeA solis ortu... Hieronyme
  45. πŸ” 24% Credo VIICredo VII
  46. πŸ” 24% Magi videntes parvulumMagi videntes parvulum
  47. πŸ” 24% Exsultet caelum gaudibus (S. Joanni Evangelistae)Exsultet caelum gaudibus (S. Joanni Evangelistae)
  48. πŸ” 24% Auctor salutis uniceAuctor salutis unice
  49. πŸ” 24% Verbum supernum prodiens a Verbum supernum prodiens a
  50. πŸ” 24% Miserere (Ps 50)Miserere (Ps 50)
  51. πŸ” 23% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  52. πŸ” 23% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  53. πŸ” 23% O vos aethereiO vos aetherei
  54. πŸ” 23% Quem terra pontus aetheraQuem terra pontus aethera
  55. πŸ” 23% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  56. πŸ” 23% Rerum Deus tenax vigor (In Festis)Rerum Deus tenax vigor (In Festis)
  57. πŸ” 23% Exsultet iam angelicaExsultet iam angelica
  58. πŸ” 23% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  59. πŸ” 23% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  60. πŸ” 23% Auctor salutisAuctor salutis
  61. πŸ” 23% Dicamus laudes (In festis)Dicamus laudes (In festis)
  62. πŸ” 23% Certum tenentes (In festis)Certum tenentes (In festis)
  63. πŸ” 23% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  64. πŸ” 23% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  65. πŸ” 23% Exsultet jam AngelicaExsultet jam Angelica