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% Virga JesseVirga Jesse
  2. 🔍 41% Virga JesseVirga Jesse
  3. 🔍 35% Virga JesseVirga Jesse
  4. 🔍 22% In die resurrectionisIn die resurrectionis
  5. 🔍 21% Virga JesseVirga Jesse
  6. 🔍 20% Alleluia (ad offertorium mode 7) Alleluia (ad offertorium mode 7)
  7. 🔍 20% Qui manducatQui manducat
  8. 🔍 20% ConfitebunturConfitebuntur
  9. 🔍 19% Quicumque certumQuicumque certum
  10. 🔍 19% O rex aeterne DomineO rex aeterne Domine
  11. 🔍 19% O quam bonusO quam bonus
  12. 🔍 19% Senex puerumSenex puerum
  13. 🔍 19% Caro meaCaro mea
  14. 🔍 18% Non duplicesNon duplices
  15. 🔍 18% Dilexit AndreamDilexit Andream
  16. 🔍 18% Jesu nostra redemptioJesu nostra redemptio
  17. 🔍 18% Hodiernae lux dieiHodiernae lux diei
  18. 🔍 18% Decus morumDecus morum
  19. 🔍 18% Summi Parentis FilioSummi Parentis Filio
  20. 🔍 18% In Deo speravitIn Deo speravit
  21. 🔍 18% Jesu dulcisJesu dulcis
  22. 🔍 18% Vexilla Regis prodeuntVexilla Regis prodeunt
  23. 🔍 18% Dum complerenturDum complerentur
  24. 🔍 17% ObtuleruntObtulerunt
  25. 🔍 17% Potum meumPotum meum
  26. 🔍 17% Quicumque ChristumQuicumque Christum
  27. 🔍 17% Candida VirginitasCandida Virginitas
  28. 🔍 17% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  29. 🔍 17% In hoc HyacinthiIn hoc Hyacinthi
  30. 🔍 17% Vox de caelis sonuitVox de caelis sonuit
  31. 🔍 17% Jubilate DeoJubilate Deo
  32. 🔍 17% Venite exsultemus DominoVenite exsultemus Domino
  33. 🔍 17% De excelsoDe excelso
  34. 🔍 17% Intonuit de coeloIntonuit de coelo
  35. 🔍 17% Surrexit Christus quiSurrexit Christus qui
  36. 🔍 17% Dilexit AndreamDilexit Andream
  37. 🔍 17% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  38. 🔍 17% Noe vero cumNoe vero cum
  39. 🔍 17% Levita LaurentiusLevita Laurentius
  40. 🔍 17% Venite exsultemus IVVenite exsultemus IV
  41. 🔍 17% In natali DominiIn natali Domini
  42. 🔍 17% Jesse proles quibus dolesJesse proles quibus doles
  43. 🔍 16% Novus athleta DominiNovus athleta Domini
  44. 🔍 16% A summo caeloA summo caelo
  45. 🔍 16% Vox de caelis sonuitVox de caelis sonuit
  46. 🔍 16% Martyr Dei (I)Martyr Dei (I)
  47. 🔍 16% Ave Regina caelorumAve Regina caelorum
  48. 🔍 16% Regina caeli jubilaRegina caeli jubila
  49. 🔍 16% Eripe meEripe me
  50. 🔍 16% Hei mihi DomineHei mihi Domine
  51. 🔍 16% Juravit DominusJuravit Dominus
  52. 🔍 16% Gaude Mater EcclesiaGaude Mater Ecclesia
  53. 🔍 16% Gaudete cum alleluiaGaudete cum alleluia
  54. 🔍 16% Salve ReginaSalve Regina
  55. 🔍 16% Justus ut palmaJustus ut palma
  56. 🔍 16% Eva virumEva virum
  57. 🔍 16% Venite exultemus Domino (IV Tonus A)Venite exultemus Domino (IV Tonus A)
  58. 🔍 16% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  59. 🔍 16% Bernardinum qui divinum.Bernardinum qui divinum.
  60. 🔍 16% ConfitebunturConfitebuntur
  61. 🔍 16% Hodie redemptor mundiHodie redemptor mundi
  62. 🔍 16% Ante luciferum genitusAnte luciferum genitus
  63. 🔍 16% Auditui meoAuditui meo
  64. 🔍 16% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  65. 🔍 16% Spiritus DominiSpiritus Domini