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% Magnum mysteriumMagnum mysterium
  2. 🔍 63% Magnum mysteriumMagnum mysterium
  3. 🔍 62% Magnum mysteriumMagnum mysterium
  4. 🔍 61% Magnum mysteriumMagnum mysterium
  5. 🔍 57% Magnum mysterium declaraturMagnum mysterium declaratur
  6. 🔍 41% Te qui in SpirituTe qui in Spiritu
  7. 🔍 41% Mirabile mysteriumMirabile mysterium
  8. 🔍 40% Peccati aculeusPeccati aculeus
  9. 🔍 39% Caput draconisCaput draconis
  10. 🔍 36% Praecursor IoannesPraecursor Ioannes
  11. 🔍 36% Magnum hereditatisMagnum hereditatis
  12. 🔍 34% Regem magnumRegem magnum
  13. 🔍 34% In domum DominiIn domum Domini
  14. 🔍 34% Veterem hominemVeterem hominem
  15. 🔍 34% Angelus ad pastoresAngelus ad pastores
  16. 🔍 33% Domine clamaviDomine clamavi
  17. 🔍 33% Exortum est ... misericorsExortum est ... misericors
  18. 🔍 33% Attendite universiAttendite universi
  19. 🔍 33% De nocteDe nocte
  20. 🔍 32% In principioIn principio
  21. 🔍 32% In DominoIn Domino
  22. 🔍 31% Dextera DominiDextera Domini
  23. 🔍 31% Sit nomen DominiSit nomen Domini
  24. 🔍 31% Discerne causamDiscerne causam
  25. 🔍 31% Viderunt oculi 1Viderunt oculi 1
  26. 🔍 31% Tu es qui venturus DomineTu es qui venturus Domine
  27. 🔍 31% Laudate nomen DominiLaudate nomen Domini
  28. 🔍 30% Ascendit DeusAscendit Deus
  29. 🔍 30% Omnes gentesOmnes gentes
  30. 🔍 30% Sancti viceruntSancti vicerunt
  31. 🔍 30% VisionemVisionem
  32. 🔍 30% Rex nosterRex noster
  33. 🔍 30% Rex nosterRex noster
  34. 🔍 30% Dominum Deum tuumDominum Deum tuum
  35. 🔍 30% Ecce puer meusEcce puer meus
  36. 🔍 30% Spiritus Domini replevitSpiritus Domini replevit
  37. 🔍 30% Fili recordareFili recordare
  38. 🔍 30% Nunc clarificatus est ... alleluiaNunc clarificatus est ... alleluia
  39. 🔍 30% Nemo in eumNemo in eum
  40. 🔍 30% Vox clamantis in eremoVox clamantis in eremo
  41. 🔍 30% Vox clamantis in eremoVox clamantis in eremo
  42. 🔍 30% Venite omnes populiVenite omnes populi
  43. 🔍 30% In firmamentoIn firmamento
  44. 🔍 30% Domine in caeloDomine in caelo
  45. 🔍 29% Videte manusVidete manus
  46. 🔍 29% Qui post meQui post me
  47. 🔍 29% Qui post meQui post me
  48. 🔍 29% Facta est cum angeloFacta est cum angelo
  49. 🔍 29% Spiritus est DeusSpiritus est Deus
  50. 🔍 29% Domine Deus salutis (Mode 4*e)Domine Deus salutis (Mode 4*e)
  51. 🔍 29% Deus misereaturDeus misereatur
  52. 🔍 29% Si diligeretisSi diligeretis
  53. 🔍 29% Deus unus estDeus unus est
  54. 🔍 29% Exsultet spiritusExsultet spiritus
  55. 🔍 29% LaudaboLaudabo
  56. 🔍 29% Tu es qui venturus es DomineTu es qui venturus es Domine
  57. 🔍 29% Praeceptum DominiPraeceptum Domini
  58. 🔍 29% Spiritus Sanctus in teSpiritus Sanctus in te
  59. 🔍 29% Spiritus Sanctus in teSpiritus Sanctus in te
  60. 🔍 29% Pastores veneruntPastores venerunt
  61. 🔍 29% In IsraelIn Israel
  62. 🔍 29% Magnificatus estMagnificatus est
  63. 🔍 29% Veni Domine et noliVeni Domine et noli
  64. 🔍 29% Veni Domine et noliVeni Domine et noli
  65. 🔍 29% Veritas DominiVeritas Domini