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% Oportebat patiOportebat pati
  2. 🔍 62% Oportebat patiOportebat pati
  3. 🔍 58% Oportebat pati ChristumOportebat pati Christum
  4. 🔍 55% Oportebat pati ChristumOportebat pati Christum
  5. 🔍 54% Oportebat pati ChristumOportebat pati Christum
  6. 🔍 38% Redemptionem ... alleluiaRedemptionem ... alleluia
  7. 🔍 38% Domine clamaviDomine clamavi
  8. 🔍 37% Sedes tua DeusSedes tua Deus
  9. 🔍 37% VisionemVisionem
  10. 🔍 37% Nomini tuo DomineNomini tuo Domine
  11. 🔍 37% Redemisti nos DeoRedemisti nos Deo
  12. 🔍 37% Nonne sic oportuitNonne sic oportuit
  13. 🔍 36% Alleluia audiviAlleluia audivi
  14. 🔍 36% Sedebit DominusSedebit Dominus
  15. 🔍 36% Exortum est ... alleluia.Exortum est ... alleluia.
  16. 🔍 35% Dominum Deum tuumDominum Deum tuum
  17. 🔍 35% Alleluia audiviAlleluia audivi
  18. 🔍 35% Christus resurgensChristus resurgens
  19. 🔍 34% Libera nos Deus (Mode 8g)Libera nos Deus (Mode 8g)
  20. 🔍 34% Fili recordareFili recordare
  21. 🔍 34% Tristitia vestraTristitia vestra
  22. 🔍 34% Surge qui dormisSurge qui dormis
  23. 🔍 34% Deus misereaturDeus misereatur
  24. 🔍 34% Spiritus qui a PatreSpiritus qui a Patre
  25. 🔍 34% Ego sum ostiumEgo sum ostium
  26. 🔍 34% Israel potestas eiusIsrael potestas eius
  27. 🔍 34% Ego sum pastor bonus alleluia (Mode 8g)Ego sum pastor bonus alleluia (Mode 8g)
  28. 🔍 34% Videte manusVidete manus
  29. 🔍 34% Christus semelChristus semel
  30. 🔍 34% In domum DominiIn domum Domini
  31. 🔍 34% Redempti a DominoRedempti a Domino
  32. 🔍 34% Vos autem dixiVos autem dixi
  33. 🔍 34% Beata viscera... etBeata viscera... et
  34. 🔍 33% Spiritus Sanctus in teSpiritus Sanctus in te
  35. 🔍 33% Spiritus Sanctus in teSpiritus Sanctus in te
  36. 🔍 33% Dirupisti DomineDirupisti Domine
  37. 🔍 33% IucundareIucundare
  38. 🔍 33% Pastor bonusPastor bonus
  39. 🔍 33% Qui manet in meQui manet in me
  40. 🔍 33% OperaminiOperamini
  41. 🔍 33% Ex uteroEx utero
  42. 🔍 33% Surrexit Dominus 1Surrexit Dominus 1
  43. 🔍 33% Haec locutus ... ut cumHaec locutus ... ut cum
  44. 🔍 33% Ego sum via veritas et vita alleluiaEgo sum via veritas et vita alleluia
  45. 🔍 33% Quia vidisti meQuia vidisti me
  46. 🔍 33% Ne timeas MariaNe timeas Maria
  47. 🔍 33% Ne timeas MariaNe timeas Maria
  48. 🔍 33% Si manseritisSi manseritis
  49. 🔍 33% Portio mea DominePortio mea Domine
  50. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  51. 🔍 33% Ego sum ostiumEgo sum ostium
  52. 🔍 33% HabitabitHabitabit
  53. 🔍 33% Crucifixus surrexit tertiaCrucifixus surrexit tertia
  54. 🔍 33% Ecce Dominus venietEcce Dominus veniet
  55. 🔍 33% Ecce Dominus venietEcce Dominus veniet
  56. 🔍 32% Manete autemManete autem
  57. 🔍 32% Repleti sunt omnesRepleti sunt omnes
  58. 🔍 32% Non moriarNon moriar
  59. 🔍 32% Rex nosterRex noster
  60. 🔍 32% Rex nosterRex noster
  61. 🔍 32% Ecce in nubibusEcce in nubibus
  62. 🔍 32% Ecce in nubibusEcce in nubibus
  63. 🔍 32% Deus unus estDeus unus est
  64. 🔍 32% Spiritus est DeusSpiritus est Deus
  65. 🔍 32% Stetit IesusStetit Iesus