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% Martyr Dei (II)Martyr Dei (II)
  2. 🔍 76% Martyr Dei (III)Martyr Dei (III)
  3. 🔍 71% Martyr Dei (IIIa)Martyr Dei (IIIa)
  4. 🔍 48% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  5. 🔍 48% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  6. 🔍 45% Exsultet caelum (II)Exsultet caelum (II)
  7. 🔍 43% Deus tuorum II Cl.Deus tuorum II Cl.
  8. 🔍 42% Martyr Dei (I)Martyr Dei (I)
  9. 🔍 40% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  10. 🔍 37% Martyr DeiMartyr Dei
  11. 🔍 36% Martyr Dei qui unicumMartyr Dei qui unicum
  12. 🔍 35% Martyr Dei, qui unicumMartyr Dei, qui unicum
  13. 🔍 35% Martyr Dei qui unicumMartyr Dei qui unicum
  14. 🔍 35% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  15. 🔍 35% Aeterna... Martyrum (II)Aeterna... Martyrum (II)
  16. 🔍 34% Martyr Dei VenantiusMartyr Dei Venantius
  17. 🔍 33% Invicte Martyr unicumInvicte Martyr unicum
  18. 🔍 32% O martyr desiderioO martyr desiderio
  19. 🔍 32% Invicte MartyrInvicte Martyr
  20. 🔍 32% Jesu Redemptor (I)Jesu Redemptor (I)
  21. 🔍 31% Tristes erant ApostoliTristes erant Apostoli
  22. 🔍 31% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  23. 🔍 30% Hic est vere MartyrHic est vere Martyr
  24. 🔍 30% Paschale mundo gaudiumPaschale mundo gaudium
  25. 🔍 30% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  26. 🔍 30% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  27. 🔍 29% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  28. 🔍 29% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  29. 🔍 29% Claro paschali gaudioClaro paschali gaudio
  30. 🔍 29% Martyr Dei VenantiusMartyr Dei Venantius
  31. 🔍 29% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  32. 🔍 28% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  33. 🔍 28% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  34. 🔍 28% Te lucis ante terminum (Tot. dupl. II Cl.)Te lucis ante terminum (Tot. dupl. II Cl.)
  35. 🔍 27% Stephani victoria!Stephani victoria!
  36. 🔍 27% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  37. 🔍 27% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  38. 🔍 26% Tristes erant ApostoliTristes erant Apostoli
  39. 🔍 26% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  40. 🔍 26% Tristes erant ApostoliTristes erant Apostoli
  41. 🔍 26% Agnosce o VicentiAgnosce o Vicenti
  42. 🔍 26% Jesu corona virginum (I)Jesu corona virginum (I)
  43. 🔍 25% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  44. 🔍 25% Maiole consors procerumMaiole consors procerum
  45. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  46. 🔍 25% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  47. 🔍 25% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  48. 🔍 24% Inclytus martyrInclytus martyr
  49. 🔍 24% Tristes erant ApostoliTristes erant Apostoli
  50. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  51. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  52. 🔍 24% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  53. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 24% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  55. 🔍 24% Suscitabit DominusSuscitabit Dominus
  56. 🔍 24% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  57. 🔍 24% Dum Nocte PulsaDum Nocte Pulsa
  58. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  59. 🔍 23% O quam gloriosus est beatusO quam gloriosus est beatus
  60. 🔍 23% O martyr egregieO martyr egregie
  61. 🔍 23% Summi Parentis FilioSummi Parentis Filio
  62. 🔍 23% Athleta Christi nobilisAthleta Christi nobilis
  63. 🔍 23% Exsultet caelum (I)Exsultet caelum (I)
  64. 🔍 23% Beati estisBeati estis
  65. 🔍 23% Sacram presentisSacram presentis