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% Dum sacrum mysteriumDum sacrum mysterium
  2. 🔍 89% Dum sacrum mysteriumDum sacrum mysterium
  3. 🔍 81% Dum sacrum mysteriumDum sacrum mysterium
  4. 🔍 74% Dum sacrum mysteriumDum sacrum mysterium
  5. 🔍 31% A solis ortusA solis ortus
  6. 🔍 29% Dum mediumDum medium
  7. 🔍 28% Veni Redemptor gentiumVeni Redemptor gentium
  8. 🔍 28% Deus dum egredererisDeus dum egredereris
  9. 🔍 27% A solis ortus cardineA solis ortus cardine
  10. 🔍 27% O sola magnarumO sola magnarum
  11. 🔍 27% Laetare caelum desuperLaetare caelum desuper
  12. 🔍 26% Deus tuorum militumDeus tuorum militum
  13. 🔍 26% Redemisti nos DomineRedemisti nos Domine
  14. 🔍 26% Deus tuorum militumDeus tuorum militum
  15. 🔍 26% Dum tolleret DominusDum tolleret Dominus
  16. 🔍 26% Dum Jesus factusDum Jesus factus
  17. 🔍 26% Dum praeliareturDum praeliaretur
  18. 🔍 26% Beati martyresBeati martyres
  19. 🔍 26% In medio EcclesiaeIn medio Ecclesiae
  20. 🔍 26% Deus tuorum militumDeus tuorum militum
  21. 🔍 26% Dum tolleret DominusDum tolleret Dominus
  22. 🔍 25% Hostis HerodesHostis Herodes
  23. 🔍 25% Deus tuorum militumDeus tuorum militum
  24. 🔍 25% Vidi aquam (B)Vidi aquam (B)
  25. 🔍 25% Jubilate DeoJubilate Deo
  26. 🔍 25% AccipiteAccipite
  27. 🔍 25% Dum praeliareturDum praeliaretur
  28. 🔍 25% Quicumque Christum quaeritisQuicumque Christum quaeritis
  29. 🔍 25% Et factum estEt factum est
  30. 🔍 25% Crudelis HerodesCrudelis Herodes
  31. 🔍 25% Deus misereaturDeus misereatur
  32. 🔍 24% A solis ortus cardineA solis ortus cardine
  33. 🔍 24% Miserere mei... secundumMiserere mei... secundum
  34. 🔍 24% A solis ortusA solis ortus
  35. 🔍 24% Magi videntes parvulumMagi videntes parvulum
  36. 🔍 24% Jesus junxit seJesus junxit se
  37. 🔍 24% Invicte Martyr unicumInvicte Martyr unicum
  38. 🔍 24% Venite exultemus IV GVenite exultemus IV G
  39. 🔍 24% Custodes hominumCustodes hominum
  40. 🔍 24% Verbum supernumVerbum supernum
  41. 🔍 24% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  42. 🔍 24% Ad regias Agni dapesAd regias Agni dapes
  43. 🔍 24% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  44. 🔍 24% O sancta mundi dominaO sancta mundi domina
  45. 🔍 24% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  46. 🔍 24% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  47. 🔍 24% Quem terra pontus aetheraQuem terra pontus aethera
  48. 🔍 24% O sola magnarumO sola magnarum
  49. 🔍 24% Deus tuorum militumDeus tuorum militum
  50. 🔍 24% Sacerdotes tuiSacerdotes tui
  51. 🔍 24% Maria virgo regiaMaria virgo regia
  52. 🔍 24% Aurora soli praeviaAurora soli praevia
  53. 🔍 24% Ad regias Agni dapesAd regias Agni dapes
  54. 🔍 24% Jam sol receditJam sol recedit
  55. 🔍 24% Quicumque certumQuicumque certum
  56. 🔍 24% Salvete Christi vulneraSalvete Christi vulnera
  57. 🔍 24% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  58. 🔍 24% Deus dum egredererisDeus dum egredereris
  59. 🔍 24% Jam sol receditJam sol recedit
  60. 🔍 24% Auctor beate saeculiAuctor beate saeculi
  61. 🔍 24% Jesus junxit seJesus junxit se
  62. 🔍 23% Deus dum egredererisDeus dum egredereris
  63. 🔍 23% Caelestis aulae nuntiusCaelestis aulae nuntius
  64. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  65. 🔍 23% Ego sum Raphael ... alleluiaEgo sum Raphael ... alleluia