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% ImproperiumImproperium
  2. 🔍 69% Adjutor in opportunitatibusAdjutor in opportunitatibus
  3. 🔍 38% Improperium... simul contristareturImproperium... simul contristaretur
  4. 🔍 36% SuscitaboSuscitabo
  5. 🔍 35% Ego clamaviEgo clamavi
  6. 🔍 33% Eripe me Domine de inimicisEripe me Domine de inimicis
  7. 🔍 32% Inflammatum estInflammatum est
  8. 🔍 31% ImproperiumImproperium
  9. 🔍 31% Surge DomineSurge Domine
  10. 🔍 30% Exaltabo teExaltabo te
  11. 🔍 30% Adjutor et protectorAdjutor et protector
  12. 🔍 29% Angelis suisAngelis suis
  13. 🔍 29% Improperium... simul mecumImproperium... simul mecum
  14. 🔍 29% Dum clamaremDum clamarem
  15. 🔍 29% Si iniquitates (Intr)Si iniquitates (Intr)
  16. 🔍 28% Improperium... et dederuntImproperium... et dederunt
  17. 🔍 28% Liberator meusLiberator meus
  18. 🔍 28% Tu es DeusTu es Deus
  19. 🔍 28% Saepe expugnaveruntSaepe expugnaverunt
  20. 🔍 28% Cum sanctificatusCum sanctificatus
  21. 🔍 28% ImproperiumImproperium
  22. 🔍 27% Adjutor in opportunitatibusAdjutor in opportunitatibus
  23. 🔍 27% ImproperiumImproperium
  24. 🔍 27% Improperium... et dederuntImproperium... et dederunt
  25. 🔍 27% Exsurge... non praevaleatExsurge... non praevaleat
  26. 🔍 27% Improperium... et dederuntImproperium... et dederunt
  27. 🔍 26% Deus exaudiDeus exaudi
  28. 🔍 26% Domine ne longeDomine ne longe
  29. 🔍 26% Ecce sic benediceturEcce sic benedicetur
  30. 🔍 26% Diffusa estDiffusa est
  31. 🔍 26% Judica meJudica me
  32. 🔍 26% Fundamenta ejusFundamenta ejus
  33. 🔍 26% Liberator meusLiberator meus
  34. 🔍 26% ImproperiumImproperium
  35. 🔍 26% Mirabilis DeusMirabilis Deus
  36. 🔍 26% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  37. 🔍 26% Memor fuiMemor fui
  38. 🔍 25% Liberator meusLiberator meus
  39. 🔍 25% Ad te levaviAd te levavi
  40. 🔍 25% Qui seminantQui seminant
  41. 🔍 25% Surge DomineSurge Domine
  42. 🔍 25% Victricem manumVictricem manum
  43. 🔍 25% In Deo laudaboIn Deo laudabo
  44. 🔍 25% Eripe me de inimicis... DomineEripe me de inimicis... Domine
  45. 🔍 25% Deus firmavitDeus firmavit
  46. 🔍 25% Beatus qui auditBeatus qui audit
  47. 🔍 25% Tu gloriaTu gloria
  48. 🔍 25% AccipiteAccipite
  49. 🔍 25% SanctificavitSanctificavit
  50. 🔍 24% In nomine Jesu (ps. Domine)In nomine Jesu (ps. Domine)
  51. 🔍 24% Ad te levaviAd te levavi
  52. 🔍 24% Benedictus es... in labiisBenedictus es... in labiis
  53. 🔍 24% Juravit DominusJuravit Dominus
  54. 🔍 24% Tu gloria JerusalemTu gloria Jerusalem
  55. 🔍 24% Qui regis IsraelQui regis Israel
  56. 🔍 24% In excelso thronoIn excelso throno
  57. 🔍 24% De necessitatibusDe necessitatibus
  58. 🔍 24% Qui confiduntQui confidunt
  59. 🔍 24% Inveni DavidInveni David
  60. 🔍 24% Dominus qui eripuitDominus qui eripuit
  61. 🔍 24% Nunc ergoNunc ergo
  62. 🔍 24% In nomine Jesu (ps. Laudate)In nomine Jesu (ps. Laudate)
  63. 🔍 24% Repleatur os meumRepleatur os meum
  64. 🔍 24% Consolantem meConsolantem me
  65. 🔍 24% Meum est consiliumMeum est consilium