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% Genuit puerperaGenuit puerpera
  2. 🔍 77% Genuit puerperaGenuit puerpera
  3. 🔍 73% Genuit puerpera RegemGenuit puerpera Regem
  4. 🔍 67% Genuit puerperaGenuit puerpera
  5. 🔍 66% Genuit puerpera regemGenuit puerpera regem
  6. 🔍 65% Genuit puerpera RegemGenuit puerpera Regem
  7. 🔍 62% Genuit puerpera RegemGenuit puerpera Regem
  8. 🔍 51% O Virgo virginumO Virgo virginum
  9. 🔍 37% O Virgo virginumO Virgo virginum
  10. 🔍 32% Summum RegemSummum Regem
  11. 🔍 31% O virum ineffabilemO virum ineffabilem
  12. 🔍 29% O quam gloriosus est beatusO quam gloriosus est beatus
  13. 🔍 29% Cum redirentCum redirent
  14. 🔍 27% Spiritus sanctus in te (I)Spiritus sanctus in te (I)
  15. 🔍 27% O radix JesseO radix Jesse
  16. 🔍 26% O RosaO Rosa
  17. 🔍 26% O virum ineffabilemO virum ineffabilem
  18. 🔍 25% O Rex gloriaeO Rex gloriae
  19. 🔍 25% Pauper in peculioPauper in peculio
  20. 🔍 25% ExsultabundaExsultabunda
  21. 🔍 24% O virum ineffabilemO virum ineffabilem
  22. 🔍 24% Exaudiat DominusExaudiat Dominus
  23. 🔍 24% A timoreA timore
  24. 🔍 24% O Thoma DidymeO Thoma Didyme
  25. 🔍 24% Ante luciferum genitusAnte luciferum genitus
  26. 🔍 24% In caelestibus regnisIn caelestibus regnis
  27. 🔍 24% O clavis DavidO clavis David
  28. 🔍 24% Beata es MariaBeata es Maria
  29. 🔍 24% Cum esset desponsataCum esset desponsata
  30. 🔍 24% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  31. 🔍 24% Ave MariaAve Maria
  32. 🔍 24% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  33. 🔍 24% O virum ineffabilemO virum ineffabilem
  34. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  35. 🔍 23% Completi suntCompleti sunt
  36. 🔍 23% Et veneruntEt venerunt
  37. 🔍 23% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  38. 🔍 23% O SapientiaO Sapientia
  39. 🔍 23% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  40. 🔍 23% Senex puerumSenex puerum
  41. 🔍 23% Quem vidistisQuem vidistis
  42. 🔍 23% O OriensO Oriens
  43. 🔍 23% A porta inferiA porta inferi
  44. 🔍 23% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  45. 🔍 22% O EmmanuelO Emmanuel
  46. 🔍 22% Ecce MariaEcce Maria
  47. 🔍 22% Jerusalem respiceJerusalem respice
  48. 🔍 22% Fecit nosFecit nos
  49. 🔍 22% Ecce ReginaEcce Regina
  50. 🔍 22% Da pacemDa pacem
  51. 🔍 22% Gloria in excelsisGloria in excelsis
  52. 🔍 22% Exaltate... RegumExaltate... Regum
  53. 🔍 22% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  54. 🔍 22% Per viscera... DeusPer viscera... Deus
  55. 🔍 22% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  56. 🔍 22% Tu DomineTu Domine
  57. 🔍 22% Hic est vere MartyrHic est vere Martyr
  58. 🔍 22% Hic est... meusHic est... meus
  59. 🔍 22% Amen... dico... qui creditAmen... dico... qui credit
  60. 🔍 22% Habebitis autemHabebitis autem
  61. 🔍 22% Stans a longeStans a longe
  62. 🔍 22% Non vos relinquamNon vos relinquam
  63. 🔍 22% Dedit seDedit se
  64. 🔍 22% Stetit Angelus... allel.Stetit Angelus... allel.
  65. 🔍 22% Veni Domine et noliVeni Domine et noli