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% Quod chorus vatumQuod chorus vatum
  2. 🔍 59% Quod chorusQuod chorus
  3. 🔍 50% Virginis Proles (pro virgine et martyre)Virginis Proles (pro virgine et martyre)
  4. 🔍 49% Christe pastorumChriste pastorum
  5. 🔍 47% Virginis ProlesVirginis Proles
  6. 🔍 41% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  7. 🔍 40% Iste Confessorum Domini (in Feriis tertiis)Iste Confessorum Domini (in Feriis tertiis)
  8. 🔍 40% Laetare caelum desuperLaetare caelum desuper
  9. 🔍 36% Gloria VIGloria VI
  10. 🔍 34% Gloria IIGloria II
  11. 🔍 34% Miserere mei... secundumMiserere mei... secundum
  12. 🔍 34% O castitatis signiferO castitatis signifer
  13. 🔍 34% Gloria XIVGloria XIV
  14. 🔍 33% ExsurgeExsurge
  15. 🔍 33% Exsultet jam AngelicaExsultet jam Angelica
  16. 🔍 33% Ave lumenAve lumen
  17. 🔍 32% Ad te levaviAd te levavi
  18. 🔍 32% Gaudeamus... assumptioneGaudeamus... assumptione
  19. 🔍 32% Domine Deus salutisDomine Deus salutis
  20. 🔍 32% Festum MariaeFestum Mariae
  21. 🔍 32% O lux beata TrinitasO lux beata Trinitas
  22. 🔍 32% Immensa et unaImmensa et una
  23. 🔍 31% Credo IICredo II
  24. 🔍 31% Auctor salutisAuctor salutis
  25. 🔍 31% Te Matrem laudamusTe Matrem laudamus
  26. 🔍 31% Hymnus Te DeumHymnus Te Deum
  27. 🔍 31% Credo ICredo I
  28. 🔍 31% Adoro te devoteAdoro te devote
  29. 🔍 31% Te DeumTe Deum
  30. 🔍 31% Gaudeamus... Mariae... MaternitateGaudeamus... Mariae... Maternitate
  31. 🔍 31% Tu Trinitatis UnitasTu Trinitatis Unitas
  32. 🔍 31% Gaudeamus... Mariae... NativitateGaudeamus... Mariae... Nativitate
  33. 🔍 31% Jesu decus angelicumJesu decus angelicum
  34. 🔍 31% Nullis te genitorNullis te genitor
  35. 🔍 31% Gloria XIIIGloria XIII
  36. 🔍 31% Auctor salutis uniceAuctor salutis unice
  37. 🔍 31% Quodcumque in orbeQuodcumque in orbe
  38. 🔍 31% Hymnus Te DeumHymnus Te Deum
  39. 🔍 31% Domine Deus salutisDomine Deus salutis
  40. 🔍 31% Ecce jam noctisEcce jam noctis
  41. 🔍 31% Te DeumTe Deum
  42. 🔍 31% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  43. 🔍 31% A solis ortusA solis ortus
  44. 🔍 30% Jesu dulcis memoria!Jesu dulcis memoria!
  45. 🔍 30% Ex more docti mysticoEx more docti mystico
  46. 🔍 30% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  47. 🔍 30% Lauda SionLauda Sion
  48. 🔍 30% Virginis proles (III)Virginis proles (III)
  49. 🔍 30% Mentibus laetisMentibus laetis
  50. 🔍 30% Exsultet iam angelicaExsultet iam angelica
  51. 🔍 30% Gaudeamus... Abbatum nostrorumGaudeamus... Abbatum nostrorum
  52. 🔍 30% Martyr Dei qui unicumMartyr Dei qui unicum
  53. 🔍 30% Audit tyrannus anxiusAudit tyrannus anxius
  54. 🔍 30% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  55. 🔍 30% Iam ChristusIam Christus
  56. 🔍 30% Legis sacrataeLegis sacratae
  57. 🔍 30% Invicte MartyrInvicte Martyr
  58. 🔍 30% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  59. 🔍 30% Gaudeamus... Mariae... AssumptioneGaudeamus... Mariae... Assumptione
  60. 🔍 30% Jam sol receditJam sol recedit
  61. 🔍 30% O lux beata TrinitasO lux beata Trinitas
  62. 🔍 30% Martyr Dei, qui unicumMartyr Dei, qui unicum
  63. 🔍 30% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  64. 🔍 30% CoarctorCoarctor
  65. 🔍 30% Quicumque certumQuicumque certum