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% Aurora solis nuntiaAurora solis nuntia
  2. πŸ” 58% Aurora velut fulgidaAurora velut fulgida
  3. πŸ” 50% Veni prΓ¦celsaVeni prΓ¦celsa
  4. πŸ” 50% Salvete floresSalvete flores
  5. πŸ” 47% Rerum supremo Rerum supremo
  6. πŸ” 45% Te dicimus praeconio materTe dicimus praeconio mater
  7. πŸ” 43% Iam caecaIam caeca
  8. πŸ” 42% Rerum supremo in verticeRerum supremo in vertice
  9. πŸ” 40% Quem terra pontus aetheraQuem terra pontus aethera
  10. πŸ” 39% Radix IesseRadix Iesse
  11. πŸ” 39% Aurora solis nuntiaAurora solis nuntia
  12. πŸ” 35% Exsultet caelum gaudibus (S. Joanni Evangelistae)Exsultet caelum gaudibus (S. Joanni Evangelistae)
  13. πŸ” 33% Aurora solis nuntiaAurora solis nuntia
  14. πŸ” 33% O Redemptoris pietasO Redemptoris pietas
  15. πŸ” 33% Martyr DeiMartyr Dei
  16. πŸ” 32% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  17. πŸ” 29% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  18. πŸ” 29% Dicamus laudes (In festis)Dicamus laudes (In festis)
  19. πŸ” 29% Aeterne Rex altissimeAeterne Rex altissime
  20. πŸ” 29% Qui lacrimatusQui lacrimatus
  21. πŸ” 29% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  22. πŸ” 28% Auctor salutisAuctor salutis
  23. πŸ” 28% Auctor salutis uniceAuctor salutis unice
  24. πŸ” 28% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  25. πŸ” 28% Inclytos ChristiInclytos Christi
  26. πŸ” 28% Corde natus ex ParentisCorde natus ex Parentis
  27. πŸ” 27% Te beata sponsa ChristiTe beata sponsa Christi
  28. πŸ” 27% Festivis resonent compitaFestivis resonent compita
  29. πŸ” 27% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  30. πŸ” 27% O virgo materO virgo mater
  31. πŸ” 27% Exsultet jam AngelicaExsultet jam Angelica
  32. πŸ” 27% Fratres, corona cΓ¦licaFratres, corona cΓ¦lica
  33. πŸ” 26% Nunc Sancte nobis (in Festis Majoribus)Nunc Sancte nobis (in Festis Majoribus)
  34. πŸ” 26% Magnae cohortis principemMagnae cohortis principem
  35. πŸ” 26% Ternis horarum (In festis)Ternis horarum (In festis)
  36. πŸ” 26% Tibi Christe splendor PatrisTibi Christe splendor Patris
  37. πŸ” 26% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  38. πŸ” 26% Aeterne sol qui lumineAeterne sol qui lumine
  39. πŸ” 26% Nunc sancte nobis spiritus (In tempore Nativitatis)Nunc sancte nobis spiritus (In tempore Nativitatis)
  40. πŸ” 26% Nunc Sancte nobis Spiritus (In Nativ. Domini)Nunc Sancte nobis Spiritus (In Nativ. Domini)
  41. πŸ” 26% Anglorum iamAnglorum iam
  42. πŸ” 26% Certum tenentes (In festis)Certum tenentes (In festis)
  43. πŸ” 25% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  44. πŸ” 25% Aurora surgit aureaAurora surgit aurea
  45. πŸ” 25% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  46. πŸ” 25% Rector potens verax Deus (In tempore Nativitatis)Rector potens verax Deus (In tempore Nativitatis)
  47. πŸ” 25% Iesu corona caelitumIesu corona caelitum
  48. πŸ” 25% Primo die quo TrinitasPrimo die quo Trinitas
  49. πŸ” 25% Sedibus caeli nitidis receptosSedibus caeli nitidis receptos
  50. πŸ” 25% Verbum supernum prodiens aVerbum supernum prodiens a
  51. πŸ” 25% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  52. πŸ” 25% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  53. πŸ” 25% Tibi Redemptor omniumTibi Redemptor omnium
  54. πŸ” 24% Novus athletaNovus athleta
  55. πŸ” 24% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  56. πŸ” 24% O sator rerumO sator rerum
  57. πŸ” 24% Jesu corona celsior (S. Mauri abbatis)Jesu corona celsior (S. Mauri abbatis)
  58. πŸ” 24% Jesu auctor clementiaeJesu auctor clementiae
  59. πŸ” 24% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  60. πŸ” 24% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  61. πŸ” 24% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  62. πŸ” 24% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  63. πŸ” 24% Ales diei nuntiusAles diei nuntius
  64. πŸ” 24% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  65. πŸ” 24% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis