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% Martyr Dei VenantiusMartyr Dei Venantius
  2. 🔍 76% Martyr Dei VenantiusMartyr Dei Venantius
  3. 🔍 76% Athleta Christi nobilisAthleta Christi nobilis
  4. 🔍 75% Tristes erant ApostoliTristes erant Apostoli
  5. 🔍 75% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  6. 🔍 57% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  7. 🔍 56% Dum Nocte PulsaDum Nocte Pulsa
  8. 🔍 55% Tristes erant ApostoliTristes erant Apostoli
  9. 🔍 55% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  10. 🔍 54% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  11. 🔍 54% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  12. 🔍 54% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  13. 🔍 54% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  14. 🔍 53% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  15. 🔍 53% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  16. 🔍 53% Paschale mundo gaudiumPaschale mundo gaudium
  17. 🔍 53% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  18. 🔍 53% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  19. 🔍 53% Maiole consors procerumMaiole consors procerum
  20. 🔍 52% Tristes erant ApostoliTristes erant Apostoli
  21. 🔍 52% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  22. 🔍 52% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  23. 🔍 52% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  24. 🔍 52% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  25. 🔍 52% Claro paschali gaudioClaro paschali gaudio
  26. 🔍 52% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  27. 🔍 52% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  28. 🔍 51% Tristes erant ApostoliTristes erant Apostoli
  29. 🔍 48% Rex Gloriose Martyrum (T.P.)Rex Gloriose Martyrum (T.P.)
  30. 🔍 48% Paschale mundoPaschale mundo
  31. 🔍 40% Exsultet caelum (II)Exsultet caelum (II)
  32. 🔍 40% Deus tuorum II Cl.Deus tuorum II Cl.
  33. 🔍 38% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  34. 🔍 38% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  35. 🔍 38% Salutis humanae SatorSalutis humanae Sator
  36. 🔍 38% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  37. 🔍 37% Quicumque ChristumQuicumque Christum
  38. 🔍 36% Jesu nostra redemptioJesu nostra redemptio
  39. 🔍 36% Quicumque Christum quaeritisQuicumque Christum quaeritis
  40. 🔍 36% Rerum deus tenax vigor (In Ascensione)Rerum deus tenax vigor (In Ascensione)
  41. 🔍 35% Rerum Deus tenax vigor (In Ascensione)Rerum Deus tenax vigor (In Ascensione)
  42. 🔍 35% Rector potens (In Ascensione)Rector potens (In Ascensione)
  43. 🔍 35% Rerum Deus tenax vigor (In Transfiguratione)Rerum Deus tenax vigor (In Transfiguratione)
  44. 🔍 35% Jesu coronaJesu corona
  45. 🔍 35% Nunc Sancte nobis (In Ascensione)Nunc Sancte nobis (In Ascensione)
  46. 🔍 35% Nunc sancte nobis Spiritus (In Ascensione)Nunc sancte nobis Spiritus (In Ascensione)
  47. 🔍 34% Rector potens verax Deus (In Ascensione)Rector potens verax Deus (In Ascensione)
  48. 🔍 34% Nunc sancte nobis Spiritus (In Transfiguratione)Nunc sancte nobis Spiritus (In Transfiguratione)
  49. 🔍 34% Rector potens verax Deus (In Transfiguratione)Rector potens verax Deus (In Transfiguratione)
  50. 🔍 34% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)
  51. 🔍 34% Jucunda PatrumJucunda Patrum
  52. 🔍 32% Chorus novae IerusalemChorus novae Ierusalem
  53. 🔍 31% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  54. 🔍 31% Gaude mater AnnaGaude mater Anna
  55. 🔍 31% Aeterne Rex altissimeAeterne Rex altissime
  56. 🔍 30% Crux fidelisCrux fidelis
  57. 🔍 29% Martyr Dei (II)Martyr Dei (II)
  58. 🔍 29% Optatus votis omniumOptatus votis omnium
  59. 🔍 29% Audi benigneAudi benigne
  60. 🔍 29% AngularisAngularis
  61. 🔍 28% Jesus refulsit omniumJesus refulsit omnium
  62. 🔍 28% Stephani victoria!Stephani victoria!
  63. 🔍 28% Mente jucundaMente jucunda
  64. 🔍 28% Rerum Deus fonsRerum Deus fons
  65. 🔍 28% O gloriosa DominaO gloriosa Domina