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% Adjutor in opportunitatibusAdjutor in opportunitatibus
  2. 🔍 69% ImproperiumImproperium
  3. 🔍 47% Adjutor in opportunitatibusAdjutor in opportunitatibus
  4. 🔍 37% Adjutor in opportunitatibusAdjutor in opportunitatibus
  5. 🔍 35% Si iniquitates (Intr)Si iniquitates (Intr)
  6. 🔍 34% Eripe me Domine de inimicisEripe me Domine de inimicis
  7. 🔍 34% Ego clamaviEgo clamavi
  8. 🔍 34% SuscitaboSuscitabo
  9. 🔍 34% Angelis suisAngelis suis
  10. 🔍 34% Adjutor et protectorAdjutor et protector
  11. 🔍 33% Sperent in teSperent in te
  12. 🔍 32% Surge DomineSurge Domine
  13. 🔍 31% Victricem manumVictricem manum
  14. 🔍 31% Cum sanctificatusCum sanctificatus
  15. 🔍 31% Omnia quae fecistiOmnia quae fecisti
  16. 🔍 31% Tu es DeusTu es Deus
  17. 🔍 30% Exaltabo teExaltabo te
  18. 🔍 30% Dum clamaremDum clamarem
  19. 🔍 30% Inflammatum estInflammatum est
  20. 🔍 29% Exsurge... non praevaleatExsurge... non praevaleat
  21. 🔍 29% Redemisti nosRedemisti nos
  22. 🔍 29% ConfessioConfessio
  23. 🔍 28% Diffusa estDiffusa est
  24. 🔍 28% Ecce sic benediceturEcce sic benedicetur
  25. 🔍 28% Jubilate DeoJubilate Deo
  26. 🔍 28% Saepe expugnaveruntSaepe expugnaverunt
  27. 🔍 28% Rex SanctorumRex Sanctorum
  28. 🔍 28% Tibi DomineTibi Domine
  29. 🔍 28% Laudate... omnes gentesLaudate... omnes gentes
  30. 🔍 28% Tu gloriaTu gloria
  31. 🔍 28% Vocem jucunditatisVocem jucunditatis
  32. 🔍 28% Mirabilis DeusMirabilis Deus
  33. 🔍 28% Deus exaudiDeus exaudi
  34. 🔍 27% Deus dum egredererisDeus dum egredereris
  35. 🔍 27% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  36. 🔍 27% Repleatur os meumRepleatur os meum
  37. 🔍 27% In Deo laudaboIn Deo laudabo
  38. 🔍 27% Liberator meusLiberator meus
  39. 🔍 27% In nomine Jesu (ps. Laudate)In nomine Jesu (ps. Laudate)
  40. 🔍 26% SanctificavitSanctificavit
  41. 🔍 26% Qui confiduntQui confidunt
  42. 🔍 26% Surge DomineSurge Domine
  43. 🔍 26% Fundamenta ejusFundamenta ejus
  44. 🔍 26% ConfessioConfessio
  45. 🔍 26% Veni Redemptor gentiumVeni Redemptor gentium
  46. 🔍 26% In excelso thronoIn excelso throno
  47. 🔍 26% Mihi autem absit (V. Vivo ego)Mihi autem absit (V. Vivo ego)
  48. 🔍 25% Sacerdotes tuiSacerdotes tui
  49. 🔍 25% Juravit DominusJuravit Dominus
  50. 🔍 25% Sancti tuiSancti tui
  51. 🔍 25% Tu gloria JerusalemTu gloria Jerusalem
  52. 🔍 25% Jubilate Deo universaJubilate Deo universa
  53. 🔍 25% A solis ortusA solis ortus
  54. 🔍 25% Aeterne rerum conditorAeterne rerum conditor
  55. 🔍 25% Rex SanctorumRex Sanctorum
  56. 🔍 25% Judica meJudica me
  57. 🔍 25% Qui seminantQui seminant
  58. 🔍 25% Quis... homoQuis... homo
  59. 🔍 25% Qui regis IsraelQui regis Israel
  60. 🔍 25% Benedicite DominumBenedicite Dominum
  61. 🔍 25% Manum suamManum suam
  62. 🔍 25% Hostis HerodesHostis Herodes
  63. 🔍 25% Deus firmavitDeus firmavit
  64. 🔍 25% Ad te levaviAd te levavi
  65. 🔍 25% Spiritus... replevit... all. all. all.Spiritus... replevit... all. all. all.