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% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  2. 🔍 79% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  3. 🔍 79% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  4. 🔍 78% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  5. 🔍 77% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  6. 🔍 77% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  7. 🔍 76% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  8. 🔍 76% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  9. 🔍 72% Salvete flores MartyrumSalvete flores Martyrum
  10. 🔍 72% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  11. 🔍 69% Salvete flores MartyrumSalvete flores Martyrum
  12. 🔍 67% Jesu Salvator saeculiJesu Salvator saeculi
  13. 🔍 67% Jesu corona caelitumJesu corona caelitum
  14. 🔍 62% Audit tyrannus anxiusAudit tyrannus anxius
  15. 🔍 62% Jesu Rex admirabilisJesu Rex admirabilis
  16. 🔍 60% Jesu redemptor omniumJesu redemptor omnium
  17. 🔍 54% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  18. 🔍 46% Iesu corona celsiorIesu corona celsior
  19. 🔍 46% Iesu corona celsiorIesu corona celsior
  20. 🔍 46% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  21. 🔍 46% Iesu corona celsiorIesu corona celsior
  22. 🔍 44% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  23. 🔍 44% Jesu dulcis memoria!Jesu dulcis memoria!
  24. 🔍 44% Invicte Martyr unicumInvicte Martyr unicum
  25. 🔍 43% Laeti colentes famulumLaeti colentes famulum
  26. 🔍 42% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  27. 🔍 40% Salvete cedri LibaniSalvete cedri Libani
  28. 🔍 40% Christe Redemptor omniumChriste Redemptor omnium
  29. 🔍 40% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  30. 🔍 39% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  31. 🔍 37% Martyr Dei, qui unicumMartyr Dei, qui unicum
  32. 🔍 37% Crux fidelisCrux fidelis
  33. 🔍 36% Somno refectisSomno refectis
  34. 🔍 36% Martyr Dei qui unicumMartyr Dei qui unicum
  35. 🔍 36% Invicte MartyrInvicte Martyr
  36. 🔍 35% Nox atra rerumNox atra rerum
  37. 🔍 35% Tu Trinitatis UnitasTu Trinitatis Unitas
  38. 🔍 35% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  39. 🔍 34% Primo dierumPrimo dierum
  40. 🔍 34% Christe precamurChriste precamur
  41. 🔍 34% Summae Deus clementiaeSummae Deus clementiae
  42. 🔍 34% Auctor perennisAuctor perennis
  43. 🔍 34% Dies aetasqueDies aetasque
  44. 🔍 34% O Martyr invictissimeO Martyr invictissime
  45. 🔍 34% Summae Deus (+rhythmic signs)Summae Deus (+rhythmic signs)
  46. 🔍 33% Saepe MartyrSaepe Martyr
  47. 🔍 33% Adesto Christe cordibusAdesto Christe cordibus
  48. 🔍 33% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  49. 🔍 33% Primo dPrimo d
  50. 🔍 33% Primo dPrimo d
  51. 🔍 33% Martyr DeiMartyr Dei
  52. 🔍 33% Rerum creator optimeRerum creator optime
  53. 🔍 33% Consors paterniConsors paterni
  54. 🔍 33% Gratuletur EcclesiaGratuletur Ecclesia
  55. 🔍 32% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  56. 🔍 32% Aeterna lux divinitasAeterna lux divinitas
  57. 🔍 32% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  58. 🔍 32% Exsultet mentisExsultet mentis
  59. 🔍 32% Ave stellaAve stella
  60. 🔍 32% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  61. 🔍 32% Te Deum (Solemn tone)Te Deum (Solemn tone)
  62. 🔍 32% Pie Jesu DominePie Jesu Domine
  63. 🔍 32% Rex gloriose Martyrum (Alter tonus T. P.)Rex gloriose Martyrum (Alter tonus T. P.)
  64. 🔍 32% Te splendor et virtusTe splendor et virtus
  65. 🔍 31% O Christe robur MartyrumO Christe robur Martyrum