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% Paschale mundo gaudiumPaschale mundo gaudium
  2. 🔍 97% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  3. 🔍 83% Tristes erant ApostoliTristes erant Apostoli
  4. 🔍 78% Claro paschali gaudioClaro paschali gaudio
  5. 🔍 76% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  6. 🔍 75% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  7. 🔍 73% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  8. 🔍 73% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  9. 🔍 72% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  10. 🔍 72% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  11. 🔍 72% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  12. 🔍 71% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  13. 🔍 71% Tristes erant ApostoliTristes erant Apostoli
  14. 🔍 69% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  15. 🔍 69% Dum Nocte PulsaDum Nocte Pulsa
  16. 🔍 68% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  17. 🔍 68% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  18. 🔍 68% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  19. 🔍 67% Maiole consors procerumMaiole consors procerum
  20. 🔍 67% Martyr Dei VenantiusMartyr Dei Venantius
  21. 🔍 67% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  22. 🔍 65% Tristes erant ApostoliTristes erant Apostoli
  23. 🔍 64% Tristes erant ApostoliTristes erant Apostoli
  24. 🔍 64% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  25. 🔍 63% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  26. 🔍 63% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  27. 🔍 54% Athleta Christi nobilisAthleta Christi nobilis
  28. 🔍 53% Martyr Dei VenantiusMartyr Dei Venantius
  29. 🔍 52% Exsultet caelum (II)Exsultet caelum (II)
  30. 🔍 51% Deus tuorum II Cl.Deus tuorum II Cl.
  31. 🔍 49% Jesu coronaJesu corona
  32. 🔍 47% Jucunda PatrumJucunda Patrum
  33. 🔍 46% Paschale mundoPaschale mundo
  34. 🔍 43% Chorus novae IerusalemChorus novae Ierusalem
  35. 🔍 38% Salutis humanae satorSalutis humanae sator
  36. 🔍 38% Quicumque Christum quaeritisQuicumque Christum quaeritis
  37. 🔍 37% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  38. 🔍 37% Certum tenentes (In festis)Certum tenentes (In festis)
  39. 🔍 37% Gloria XIGloria XI
  40. 🔍 37% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  41. 🔍 37% Jesu nostra redemptioJesu nostra redemptio
  42. 🔍 36% Ternis horarum (In festis)Ternis horarum (In festis)
  43. 🔍 36% Gloria IGloria I
  44. 🔍 36% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  45. 🔍 36% Mente jucundaMente jucunda
  46. 🔍 36% Audi benigneAudi benigne
  47. 🔍 36% Dicamus laudes (In festis)Dicamus laudes (In festis)
  48. 🔍 35% Laetabundus (1950 version)Laetabundus (1950 version)
  49. 🔍 35% Summi Parentis FilioSummi Parentis Filio
  50. 🔍 35% Jesu dulcisJesu dulcis
  51. 🔍 35% Rerum Deus tenax vigor (In Festis)Rerum Deus tenax vigor (In Festis)
  52. 🔍 35% Laetabundus (1985 version)Laetabundus (1985 version)
  53. 🔍 35% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  54. 🔍 34% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  55. 🔍 34% Sponso sponsa!Sponso sponsa!
  56. 🔍 34% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  57. 🔍 34% Exsultet jam AngelicaExsultet jam Angelica
  58. 🔍 34% Crux fidelisCrux fidelis
  59. 🔍 34% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  60. 🔍 34% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  61. 🔍 34% Stephani victoria!Stephani victoria!
  62. 🔍 34% Salvete Christi vulneraSalvete Christi vulnera
  63. 🔍 33% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  64. 🔍 33% Deus tuorum militumDeus tuorum militum
  65. 🔍 33% Te Deum (Solemn tone)Te Deum (Solemn tone)