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% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  2. 🔍 92% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  3. 🔍 57% Rex sempiterne coelitumRex sempiterne coelitum
  4. 🔍 53% Aurora caelum (Alter tonus)Aurora caelum (Alter tonus)
  5. 🔍 44% Ad regias Agni dapesAd regias Agni dapes
  6. 🔍 39% Ad regias Agni dapesAd regias Agni dapes
  7. 🔍 39% O rex aeterne DomineO rex aeterne Domine
  8. 🔍 37% Summi Parentis FilioSummi Parentis Filio
  9. 🔍 37% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  10. 🔍 37% Jesu nostra redemptioJesu nostra redemptio
  11. 🔍 35% Christe Redemptor omniumChriste Redemptor omnium
  12. 🔍 35% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  13. 🔍 34% Deus tuorum militum (Alter tonus T. P.)Deus tuorum militum (Alter tonus T. P.)
  14. 🔍 33% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  15. 🔍 33% Quicumque certumQuicumque certum
  16. 🔍 33% Te Deum (Solemn tone)Te Deum (Solemn tone)
  17. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  18. 🔍 33% Ad cenamAd cenam
  19. 🔍 33% Sacris solemniisSacris solemniis
  20. 🔍 32% Rex gloriose Martyrum (Alter tonus T. P.)Rex gloriose Martyrum (Alter tonus T. P.)
  21. 🔍 32% Fortem virili pectore (Paschal Time)Fortem virili pectore (Paschal Time)
  22. 🔍 32% Te splendor et virtusTe splendor et virtus
  23. 🔍 31% Decora lux aeternitatisDecora lux aeternitatis
  24. 🔍 31% Te splendor et virtus (T. Paschali)Te splendor et virtus (T. Paschali)
  25. 🔍 31% Te splendor et virtusTe splendor et virtus
  26. 🔍 31% Panis solemnisPanis solemnis
  27. 🔍 31% Vexilla Regis prodeuntVexilla Regis prodeunt
  28. 🔍 30% Jesu corona virginum (In Tempore Paschali)Jesu corona virginum (In Tempore Paschali)
  29. 🔍 30% Sacris SolemnisSacris Solemnis
  30. 🔍 30% Aeterno RegiAeterno Regi
  31. 🔍 30% Veni Creator SpiritusVeni Creator Spiritus
  32. 🔍 30% Jesu dulcisJesu dulcis
  33. 🔍 30% O mira caritasO mira caritas
  34. 🔍 29% Martyr Dei (I)Martyr Dei (I)
  35. 🔍 29% Commune vos apostoliCommune vos apostoli
  36. 🔍 29% Decora lux aeternitatisDecora lux aeternitatis
  37. 🔍 29% Urbs Ierusalem beataUrbs Ierusalem beata
  38. 🔍 29% Tristes erant ApostoliTristes erant Apostoli
  39. 🔍 29% Angularis fundamentumAngularis fundamentum
  40. 🔍 29% Urbs Jerusalem beataUrbs Jerusalem beata
  41. 🔍 29% Beate Pastor PetreBeate Pastor Petre
  42. 🔍 29% Laetare caelum desuperLaetare caelum desuper
  43. 🔍 29% Qui luce splendesQui luce splendes
  44. 🔍 29% Paschale mundo gaudiumPaschale mundo gaudium
  45. 🔍 29% Amor Jesu dulcissimeAmor Jesu dulcissime
  46. 🔍 29% Hodiernae lux dieiHodiernae lux diei
  47. 🔍 29% Deus tuorum militumDeus tuorum militum
  48. 🔍 29% Quicumque ChristumQuicumque Christum
  49. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  50. 🔍 29% Te Joseph celebrentTe Joseph celebrent
  51. 🔍 29% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  52. 🔍 29% Apostolorum passio diemApostolorum passio diem
  53. 🔍 28% Te splendor et virtus PatrisTe splendor et virtus Patris
  54. 🔍 28% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  55. 🔍 28% Angularis fundamentumAngularis fundamentum
  56. 🔍 28% Rex summe regumRex summe regum
  57. 🔍 28% Sacris solemniisSacris solemniis
  58. 🔍 28% Te lucis ante terminumTe lucis ante terminum
  59. 🔍 28% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  60. 🔍 28% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  61. 🔍 28% Veni Creator (1983/1934)Veni Creator (1983/1934)
  62. 🔍 28% Te IosephTe Ioseph
  63. 🔍 28% Christe Sanctorum (S. Mich.)Christe Sanctorum (S. Mich.)
  64. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  65. 🔍 27% Captator olim pisciumCaptator olim piscium