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 🔍 to find similarities to the given chant.

  1. 🔍 100% Audit tyrannus anxiusAudit tyrannus anxius
  2. 🔍 68% Jesu redemptor omniumJesu redemptor omnium
  3. 🔍 65% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  4. 🔍 65% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  5. 🔍 65% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  6. 🔍 64% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  7. 🔍 64% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  8. 🔍 64% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  9. 🔍 63% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  10. 🔍 62% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  11. 🔍 60% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  12. 🔍 60% Salvete flores MartyrumSalvete flores Martyrum
  13. 🔍 58% Salvete flores MartyrumSalvete flores Martyrum
  14. 🔍 55% Jesu Salvator saeculiJesu Salvator saeculi
  15. 🔍 54% Jesu corona caelitumJesu corona caelitum
  16. 🔍 49% Jesu Rex admirabilisJesu Rex admirabilis
  17. 🔍 40% Jesu dulcis memoria!Jesu dulcis memoria!
  18. 🔍 39% Audit tyrannus anxiusAudit tyrannus anxius
  19. 🔍 38% Audit tyrannus anxiusAudit tyrannus anxius
  20. 🔍 34% Crux fidelisCrux fidelis
  21. 🔍 33% Iesu corona celsiorIesu corona celsior
  22. 🔍 33% Iesu corona celsiorIesu corona celsior
  23. 🔍 33% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  24. 🔍 33% Pie Jesu DominePie Jesu Domine
  25. 🔍 33% Iesu corona celsiorIesu corona celsior
  26. 🔍 32% Salvete cedri LibaniSalvete cedri Libani
  27. 🔍 32% Gratuletur EcclesiaGratuletur Ecclesia
  28. 🔍 31% Laeti colentes famulumLaeti colentes famulum
  29. 🔍 31% O Christe robur MartyrumO Christe robur Martyrum
  30. 🔍 30% O Martyr invictissimeO Martyr invictissime
  31. 🔍 29% Saepe MartyrSaepe Martyr
  32. 🔍 29% Joannes postquam senuitJoannes postquam senuit
  33. 🔍 29% Te Deum (Solemn tone)Te Deum (Solemn tone)
  34. 🔍 29% Exsultet mentisExsultet mentis
  35. 🔍 28% Christe Redemptor omniumChriste Redemptor omnium
  36. 🔍 28% Ave stellaAve stella
  37. 🔍 27% Ave maris stellaAve maris stella
  38. 🔍 27% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  39. 🔍 27% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  40. 🔍 26% Spe mercedisSpe mercedis
  41. 🔍 26% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  42. 🔍 25% Commune vos apostoliCommune vos apostoli
  43. 🔍 25% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  44. 🔍 25% Jesu corona virginum (In Tempore Paschali)Jesu corona virginum (In Tempore Paschali)
  45. 🔍 25% In virtute tuaIn virtute tua
  46. 🔍 25% Nox atra rerumNox atra rerum
  47. 🔍 25% Te splendor et virtusTe splendor et virtus
  48. 🔍 25% Magnae dies... nobisMagnae dies... nobis
  49. 🔍 24% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  50. 🔍 24% Rex gloriose Martyrum (Alter tonus T. P.)Rex gloriose Martyrum (Alter tonus T. P.)
  51. 🔍 24% O lux beata TrinitasO lux beata Trinitas
  52. 🔍 24% Cohors beata SeraphimCohors beata Seraphim
  53. 🔍 24% Domine Deus... qui repertusDomine Deus... qui repertus
  54. 🔍 24% Deus tuorum militum (Alter tonus T. P.)Deus tuorum militum (Alter tonus T. P.)
  55. 🔍 24% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  56. 🔍 23% Te splendor et virtusTe splendor et virtus
  57. 🔍 23% Tantum ergo IIITantum ergo III
  58. 🔍 23% Te splendor et virtus PatrisTe splendor et virtus Patris
  59. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  60. 🔍 23% Apostolorum passio diemApostolorum passio diem
  61. 🔍 23% Venite exultemus IVenite exultemus I
  62. 🔍 23% Qui luce splendesQui luce splendes
  63. 🔍 23% Commune vos apostoliCommune vos apostoli
  64. 🔍 23% Ave Maria... virgo serenaAve Maria... virgo serena
  65. 🔍 23% Rex sempiterne coelitumRex sempiterne coelitum