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% Crastina EritCrastina Erit
  2. 🔍 77% Crastina erit vobisCrastina erit vobis
  3. 🔍 66% Crastina... eritCrastina... erit
  4. 🔍 62% Crastina dieCrastina die
  5. 🔍 57% Laetamini in DominoLaetamini in Domino
  6. 🔍 56% Elegit eumElegit eum
  7. 🔍 56% Crastina eritCrastina erit
  8. 🔍 56% In aeternumIn aeternum
  9. 🔍 56% Ego dixi DomineEgo dixi Domine
  10. 🔍 55% Posuisti DominePosuisti Domine
  11. 🔍 55% Exaltabo teExaltabo te
  12. 🔍 54% Amavit eum DominusAmavit eum Dominus
  13. 🔍 54% Benedicamus PatremBenedicamus Patrem
  14. 🔍 54% Constitues eosConstitues eos
  15. 🔍 54% Verbo DominiVerbo Domini
  16. 🔍 53% Sana animam meamSana animam meam
  17. 🔍 53% Exsultent justiExsultent justi
  18. 🔍 53% Os justiOs justi
  19. 🔍 53% Domum tuamDomum tuam
  20. 🔍 53% Hoc signumHoc signum
  21. 🔍 52% Crastina... eritCrastina... erit
  22. 🔍 52% Crastina erit vobisCrastina erit vobis
  23. 🔍 51% Ascendit fumusAscendit fumus
  24. 🔍 51% Qui me inveneritQui me invenerit
  25. 🔍 51% Fasciculus myrrhaeFasciculus myrrhae
  26. 🔍 51% Stetit AngelusStetit Angelus
  27. 🔍 51% Scapulis suisScapulis suis
  28. 🔍 51% Propter nosPropter nos
  29. 🔍 51% Exaltata est Sancta Dei GenitrixExaltata est Sancta Dei Genitrix
  30. 🔍 51% Adjuvabit eamAdjuvabit eam
  31. 🔍 51% Nimis honorati suntNimis honorati sunt
  32. 🔍 50% Benedictus es DomineBenedictus es Domine
  33. 🔍 50% Gloria et honoreGloria et honore
  34. 🔍 50% Justus germinabitJustus germinabit
  35. 🔍 50% Memoriam fecitMemoriam fecit
  36. 🔍 50% In hoc cognoviIn hoc cognovi
  37. 🔍 50% Redemisti nos DomineRedemisti nos Domine
  38. 🔍 49% Crastina dieCrastina die
  39. 🔍 48% Ego MaterEgo Mater
  40. 🔍 48% Assumpta est MariaAssumpta est Maria
  41. 🔍 48% Christus dilexitChristus dilexit
  42. 🔍 48% Ipse liberavitIpse liberavit
  43. 🔍 48% Justi autemJusti autem
  44. 🔍 48% Hodie scietisHodie scietis
  45. 🔍 48% Beatam me dicentBeatam me dicent
  46. 🔍 48% Clamavi in totoClamavi in toto
  47. 🔍 47% Lex DeiLex Dei
  48. 🔍 47% Specie tuaSpecie tua
  49. 🔍 47% Gloria et honoreGloria et honore
  50. 🔍 47% Constituit eumConstituit eum
  51. 🔍 47% In manus tuasIn manus tuas
  52. 🔍 47% Elisabeth ZachariaeElisabeth Zachariae
  53. 🔍 46% Speciosa facta es (Resp Br)Speciosa facta es (Resp Br)
  54. 🔍 46% Salve Regina misericordiaeSalve Regina misericordiae
  55. 🔍 46% In omnem terramIn omnem terram
  56. 🔍 46% Deus omnipotensDeus omnipotens
  57. 🔍 46% Meritis et precibus (Out of Paschal Time)Meritis et precibus (Out of Paschal Time)
  58. 🔍 45% Inter natos mulierumInter natos mulierum
  59. 🔍 45% Adoramus te ChristeAdoramus te Christe
  60. 🔍 45% Christe Fili Dei viviChriste Fili Dei vivi
  61. 🔍 45% Stabat juxtaStabat juxta
  62. 🔍 44% Post partumPost partum
  63. 🔍 44% Elegit eamElegit eam
  64. 🔍 44% DefeceruntDefecerunt
  65. 🔍 44% Scuto circumdabit teScuto circumdabit te