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% Gregorius respiciens AnglorumGregorius respiciens Anglorum
  2. 🔍 28% Angeli eorum... Patris meiAngeli eorum... Patris mei
  3. 🔍 26% Gregorius monachorum speculumGregorius monachorum speculum
  4. 🔍 24% Beatus GregoriusBeatus Gregorius
  5. 🔍 24% Venite exsultemus VI*Venite exsultemus VI*
  6. 🔍 24% Et omnes AngeliEt omnes Angeli
  7. 🔍 23% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  8. 🔍 23% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  9. 🔍 23% Martyr Dei qui unicumMartyr Dei qui unicum
  10. 🔍 23% Credo I.Credo I.
  11. 🔍 22% Pulchra es et decoraPulchra es et decora
  12. 🔍 22% O castitatis signiferO castitatis signifer
  13. 🔍 21% Immensa et unaImmensa et una
  14. 🔍 21% O lux beata TrinitasO lux beata Trinitas
  15. 🔍 21% Miserere mei... secundumMiserere mei... secundum
  16. 🔍 21% Tradent enim vosTradent enim vos
  17. 🔍 21% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  18. 🔍 21% Tu Trinitatis UnitasTu Trinitatis Unitas
  19. 🔍 21% Videte videteVidete videte
  20. 🔍 21% Psalmus 23 1-2 e 7-10Psalmus 23 1-2 e 7-10
  21. 🔍 21% Annuntiate inter gentesAnnuntiate inter gentes
  22. 🔍 21% Ave Regina caelorumAve Regina caelorum
  23. 🔍 21% Gaudent in caelisGaudent in caelis
  24. 🔍 21% Gregorius septiformiGregorius septiformi
  25. 🔍 21% Gregorius septiformi gratiaGregorius septiformi gratia
  26. 🔍 21% A solis ortusA solis ortus
  27. 🔍 21% Laeta DiesLaeta Dies
  28. 🔍 21% Audit tyrannus anxiusAudit tyrannus anxius
  29. 🔍 20% Venite exultemus IV GVenite exultemus IV G
  30. 🔍 20% Vir Domini Benedictus (tonus 1d2)Vir Domini Benedictus (tonus 1d2)
  31. 🔍 20% Laetabundus (1950 version)Laetabundus (1950 version)
  32. 🔍 20% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  33. 🔍 20% Si offers munus tuumSi offers munus tuum
  34. 🔍 20% O lux beata TrinitasO lux beata Trinitas
  35. 🔍 20% Christe Sanctorum (S. Gabr.)Christe Sanctorum (S. Gabr.)
  36. 🔍 20% Regali solioRegali solio
  37. 🔍 20% Laetabundus (1985 version)Laetabundus (1985 version)
  38. 🔍 20% Christe sanctorumChriste sanctorum
  39. 🔍 20% Christe Sanctorum (S. Mich.)Christe Sanctorum (S. Mich.)
  40. 🔍 20% Legis sacrataeLegis sacratae
  41. 🔍 20% Christe sanctorumChriste sanctorum
  42. 🔍 20% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  43. 🔍 20% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  44. 🔍 20% Anglorum jam ApostolusAnglorum jam Apostolus
  45. 🔍 20% Martyr Dei, qui unicumMartyr Dei, qui unicum
  46. 🔍 20% Gloria VIIGloria VII
  47. 🔍 19% Quo abiitQuo abiit
  48. 🔍 19% Similitudo quattuorSimilitudo quattuor
  49. 🔍 19% Credo IICredo II
  50. 🔍 19% Inclina cor meumInclina cor meum
  51. 🔍 19% Angeli eorum semper videntAngeli eorum semper vident
  52. 🔍 19% Laudate DominumLaudate Dominum
  53. 🔍 19% Jam sol receditJam sol recedit
  54. 🔍 19% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  55. 🔍 19% Ex more docti mysticoEx more docti mystico
  56. 🔍 19% Jam sol receditJam sol recedit
  57. 🔍 19% Regali solio fortisRegali solio fortis
  58. 🔍 19% LaetabundusLaetabundus
  59. 🔍 19% Pastores dicite quidnam vidistisPastores dicite quidnam vidistis
  60. 🔍 19% Christe sanctorum decus Angelorum (Gabrielis)Christe sanctorum decus Angelorum (Gabrielis)
  61. 🔍 19% Tu Trinitatis UnitasTu Trinitatis Unitas
  62. 🔍 19% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  63. 🔍 19% Gloria VIGloria VI
  64. 🔍 19% Vau et egressus estVau et egressus est
  65. 🔍 19% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus