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% Virginis Proles (pro virgine et martyre)Virginis Proles (pro virgine et martyre)
  2. 🔍 75% Virginis ProlesVirginis Proles
  3. 🔍 54% Virginis proles (III)Virginis proles (III)
  4. 🔍 50% Quod chorus vatumQuod chorus vatum
  5. 🔍 49% Virginis proles opifexque MatrisVirginis proles opifexque Matris
  6. 🔍 48% Virginis proles (II)Virginis proles (II)
  7. 🔍 48% Virginis proles opifexque MatrisVirginis proles opifexque Matris
  8. 🔍 43% Virginis Proles (ad libitum)Virginis Proles (ad libitum)
  9. 🔍 43% Christe pastorumChriste pastorum
  10. 🔍 43% Virginis proles (I)Virginis proles (I)
  11. 🔍 37% Virginis ProlesVirginis Proles
  12. 🔍 37% Virginis prolesVirginis proles
  13. 🔍 36% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  14. 🔍 36% Laetare caelum desuperLaetare caelum desuper
  15. 🔍 34% Iste Confessorum Domini (in Feriis tertiis)Iste Confessorum Domini (in Feriis tertiis)
  16. 🔍 34% O castitatis signiferO castitatis signifer
  17. 🔍 30% Gloria VIGloria VI
  18. 🔍 29% Miserere mei... secundumMiserere mei... secundum
  19. 🔍 29% ExsurgeExsurge
  20. 🔍 29% Gaudeamus... Mariae... NativitateGaudeamus... Mariae... Nativitate
  21. 🔍 29% Invicte MartyrInvicte Martyr
  22. 🔍 29% Gaudeamus... Mariae...festivitate (sine Alleluia)Gaudeamus... Mariae...festivitate (sine Alleluia)
  23. 🔍 29% Gaudeamus... assumptioneGaudeamus... assumptione
  24. 🔍 29% Gaudeamus... Mariae... MaternitateGaudeamus... Mariae... Maternitate
  25. 🔍 29% Gaudeamus... Mariae... AssumptioneGaudeamus... Mariae... Assumptione
  26. 🔍 29% Exsultet iam angelicaExsultet iam angelica
  27. 🔍 28% Gaudeamus... Mariae...festivitateGaudeamus... Mariae...festivitate
  28. 🔍 28% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  29. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  30. 🔍 28% Gloria XIVGloria XIV
  31. 🔍 28% Martyr Dei qui unicumMartyr Dei qui unicum
  32. 🔍 28% Jam sol receditJam sol recedit
  33. 🔍 28% Primo die quo TrinitasPrimo die quo Trinitas
  34. 🔍 28% Gloria IIGloria II
  35. 🔍 28% Gaudeamus... Rosae VirginisGaudeamus... Rosae Virginis
  36. 🔍 28% Immensa et unaImmensa et una
  37. 🔍 28% Tibi Redemptor omniumTibi Redemptor omnium
  38. 🔍 28% Iam ChristusIam Christus
  39. 🔍 28% Jam sol receditJam sol recedit
  40. 🔍 28% Martyr Dei, qui unicumMartyr Dei, qui unicum
  41. 🔍 28% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  42. 🔍 27% Gaudeamus... Abbatum nostrorumGaudeamus... Abbatum nostrorum
  43. 🔍 27% Ad te levaviAd te levavi
  44. 🔍 27% Quicumque certumQuicumque certum
  45. 🔍 27% O sator rerumO sator rerum
  46. 🔍 27% Domine Deus salutisDomine Deus salutis
  47. 🔍 27% Omnis expertemOmnis expertem
  48. 🔍 27% Gaudeamus... Mariae... solemnitateGaudeamus... Mariae... solemnitate
  49. 🔍 27% Gaudeamus... Stephani martyrisGaudeamus... Stephani martyris
  50. 🔍 27% Legis sacrataeLegis sacratae
  51. 🔍 27% Gaudeamus... Mariae... Boni ConsiliiGaudeamus... Mariae... Boni Consilii
  52. 🔍 27% Adoro te devoteAdoro te devote
  53. 🔍 27% Nocte surgentesNocte surgentes
  54. 🔍 27% Tu Trinitatis UnitasTu Trinitatis Unitas
  55. 🔍 27% Veni Redemptor gentiumVeni Redemptor gentium
  56. 🔍 27% Gaudeamus... Mariae... solemnitate...alleluiaGaudeamus... Mariae... solemnitate...alleluia
  57. 🔍 27% Auctor salutisAuctor salutis
  58. 🔍 27% Auctor salutis uniceAuctor salutis unice
  59. 🔍 27% Venite exultemus IV GVenite exultemus IV G
  60. 🔍 27% MeditatioMeditatio
  61. 🔍 27% Jam sol recedit igneusJam sol recedit igneus
  62. 🔍 27% Gaudeamus... AgathaeGaudeamus... Agathae
  63. 🔍 27% Te DeumTe Deum
  64. 🔍 27% Te DeumTe Deum
  65. 🔍 27% Gaudeamus... AnnaeGaudeamus... Annae