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% Virgo sacraVirgo sacra
  2. 🔍 68% Virgo sacraVirgo sacra
  3. 🔍 54% Virgo sacraVirgo sacra
  4. 🔍 51% Laudabilis VirgoLaudabilis Virgo
  5. 🔍 38% Ave MariaAve Maria
  6. 🔍 38% Ave MariaAve Maria
  7. 🔍 35% Crastina dieCrastina die
  8. 🔍 34% Omnes de SabaOmnes de Saba
  9. 🔍 34% Crastina dieCrastina die
  10. 🔍 34% Quando natus esQuando natus es
  11. 🔍 34% Fili recordareFili recordare
  12. 🔍 33% Quicumque Spiritu (Mode 8g-g)Quicumque Spiritu (Mode 8g-g)
  13. 🔍 33% Virgo verboVirgo verbo
  14. 🔍 33% Apparuit in mundoApparuit in mundo
  15. 🔍 33% Hodie scietisHodie scietis
  16. 🔍 33% Quicumque Spiritu (Mode 8g-a)Quicumque Spiritu (Mode 8g-a)
  17. 🔍 32% Domine clamaviDomine clamavi
  18. 🔍 32% Libera nos Deus (Mode 8g)Libera nos Deus (Mode 8g)
  19. 🔍 32% Fili tu semperFili tu semper
  20. 🔍 32% Exsultemus in DominoExsultemus in Domino
  21. 🔍 32% Quicumque SpirituQuicumque Spiritu
  22. 🔍 32% Virgo semper fidelisVirgo semper fidelis
  23. 🔍 32% Propter nimiamPropter nimiam
  24. 🔍 32% Quicumque SpirituQuicumque Spiritu
  25. 🔍 32% In praesepioIn praesepio
  26. 🔍 31% Visitavit nos oriensVisitavit nos oriens
  27. 🔍 31% Iudaea et IerusalemIudaea et Ierusalem
  28. 🔍 31% Videbunt gentesVidebunt gentes
  29. 🔍 31% O vos omnesO vos omnes
  30. 🔍 30% Deus unus estDeus unus est
  31. 🔍 30% Deus meus es tuDeus meus es tu
  32. 🔍 30% Surrexit Dominus 1Surrexit Dominus 1
  33. 🔍 30% Vidimus stellamVidimus stellam
  34. 🔍 30% In DominoIn Domino
  35. 🔍 30% Ego enim ex DeoEgo enim ex Deo
  36. 🔍 30% Adorate DominumAdorate Dominum
  37. 🔍 30% Domine magnus esDomine magnus es
  38. 🔍 30% Benedicta tu inBenedicta tu in
  39. 🔍 30% Domine abstraxistiDomine abstraxisti
  40. 🔍 30% Ego autem ad DominumEgo autem ad Dominum
  41. 🔍 30% Ego autem ad DominumEgo autem ad Dominum
  42. 🔍 30% HabitabitHabitabit
  43. 🔍 30% Spiritus Sanctus in teSpiritus Sanctus in te
  44. 🔍 30% Spiritus Sanctus in teSpiritus Sanctus in te
  45. 🔍 30% Inclinavit DominusInclinavit Dominus
  46. 🔍 30% IucundareIucundare
  47. 🔍 30% In illa dieIn illa die
  48. 🔍 30% Miserere mihi DomineMiserere mihi Domine
  49. 🔍 30% Christus Deus nosterChristus Deus noster
  50. 🔍 30% Beatus venterBeatus venter
  51. 🔍 30% Domine in caeloDomine in caelo
  52. 🔍 29% Appropinquabat autemAppropinquabat autem
  53. 🔍 29% Per visceraPer viscera
  54. 🔍 29% Quid mihi et tibiQuid mihi et tibi
  55. 🔍 29% Esto mihi DomineEsto mihi Domine
  56. 🔍 29% Verbum caro factumVerbum caro factum
  57. 🔍 29% Regnavit DominusRegnavit Dominus
  58. 🔍 29% In die tribulationisIn die tribulationis
  59. 🔍 29% Dominum Deum tuumDominum Deum tuum
  60. 🔍 29% ContumeliasContumelias
  61. 🔍 29% Salus aeterna mundoSalus aeterna mundo
  62. 🔍 29% Deus in sanctoDeus in sancto
  63. 🔍 29% Cibavit nos Dominus (Mode 8g)Cibavit nos Dominus (Mode 8g)
  64. 🔍 29% Caeli aperti suntCaeli aperti sunt
  65. 🔍 29% LaudaboLaudabo