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% Tristes erant ApostoliTristes erant Apostoli
  2. 🔍 83% Paschale mundo gaudiumPaschale mundo gaudium
  3. 🔍 81% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  4. 🔍 80% Tristes erant ApostoliTristes erant Apostoli
  5. 🔍 78% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  6. 🔍 77% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  7. 🔍 77% Tristes erant ApostoliTristes erant Apostoli
  8. 🔍 76% Claro paschali gaudioClaro paschali gaudio
  9. 🔍 75% Tristes erant ApostoliTristes erant Apostoli
  10. 🔍 75% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  11. 🔍 75% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  12. 🔍 74% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  13. 🔍 74% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  14. 🔍 73% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  15. 🔍 72% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  16. 🔍 72% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  17. 🔍 70% Dum Nocte PulsaDum Nocte Pulsa
  18. 🔍 70% Maiole consors procerumMaiole consors procerum
  19. 🔍 69% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  20. 🔍 69% Martyr Dei VenantiusMartyr Dei Venantius
  21. 🔍 69% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  22. 🔍 69% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  23. 🔍 69% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  24. 🔍 68% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  25. 🔍 66% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  26. 🔍 65% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  27. 🔍 55% Exsultet caelum (II)Exsultet caelum (II)
  28. 🔍 55% Martyr Dei VenantiusMartyr Dei Venantius
  29. 🔍 55% Athleta Christi nobilisAthleta Christi nobilis
  30. 🔍 52% Deus tuorum II Cl.Deus tuorum II Cl.
  31. 🔍 49% Jesu coronaJesu corona
  32. 🔍 47% Jucunda PatrumJucunda Patrum
  33. 🔍 44% Chorus novae IerusalemChorus novae Ierusalem
  34. 🔍 39% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  35. 🔍 38% Quicumque Christum quaeritisQuicumque Christum quaeritis
  36. 🔍 37% Gloria XIGloria XI
  37. 🔍 37% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  38. 🔍 37% Salutis humanae satorSalutis humanae sator
  39. 🔍 36% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  40. 🔍 36% Dicamus laudes (In festis)Dicamus laudes (In festis)
  41. 🔍 36% Mente jucundaMente jucunda
  42. 🔍 36% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  43. 🔍 35% Gloria IGloria I
  44. 🔍 35% Jesu nostra redemptioJesu nostra redemptio
  45. 🔍 35% Audi benigneAudi benigne
  46. 🔍 35% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  47. 🔍 35% Te Deum (Solemn tone)Te Deum (Solemn tone)
  48. 🔍 35% Certum tenentes (In festis)Certum tenentes (In festis)
  49. 🔍 35% Ternis horarum (In festis)Ternis horarum (In festis)
  50. 🔍 35% Summi Parentis FilioSummi Parentis Filio
  51. 🔍 35% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  52. 🔍 35% Stephani victoria!Stephani victoria!
  53. 🔍 35% Gaude mater AnnaGaude mater Anna
  54. 🔍 35% Salvete Christi vulneraSalvete Christi vulnera
  55. 🔍 34% Paschale mundoPaschale mundo
  56. 🔍 34% Crux fidelisCrux fidelis
  57. 🔍 34% O quantum in CruceO quantum in Cruce
  58. 🔍 34% Quicumque certumQuicumque certum
  59. 🔍 34% Adeste sanctiAdeste sancti
  60. 🔍 34% Exsultet jam AngelicaExsultet jam Angelica
  61. 🔍 34% Sponso sponsa!Sponso sponsa!
  62. 🔍 33% Rerum Deus fonsRerum Deus fons
  63. 🔍 33% Optatus votis omniumOptatus votis omnium
  64. 🔍 33% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  65. 🔍 33% Aeterna... Martyrum (II)Aeterna... Martyrum (II)