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% Fortitudo mea et laus...alleluiaFortitudo mea et laus...alleluia
  2. 🔍 61% Fortitudo mea et lausFortitudo mea et laus
  3. 🔍 57% Fortitudo mea et lausFortitudo mea et laus
  4. 🔍 55% Fortitudo mea et lausFortitudo mea et laus
  5. 🔍 49% Fortitudo mea... factusFortitudo mea... factus
  6. 🔍 39% Fortitudo meaFortitudo mea
  7. 🔍 35% Fortitudo mea ... factusFortitudo mea ... factus
  8. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  9. 🔍 28% Vigilate animoVigilate animo
  10. 🔍 28% Convocatis Jesus duodecim ApostolisConvocatis Jesus duodecim Apostolis
  11. 🔍 28% Fortitudo meaFortitudo mea
  12. 🔍 28% Cantemus DominoCantemus Domino
  13. 🔍 28% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  14. 🔍 27% AlleluiaAlleluia
  15. 🔍 27% Omnes GentesOmnes Gentes
  16. 🔍 27% Factus est adjutorFactus est adjutor
  17. 🔍 26% Alleluia LaudateAlleluia Laudate
  18. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  19. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  20. 🔍 26% Sitivit anima meaSitivit anima mea
  21. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  22. 🔍 26% Et in servis suis..alleluiaEt in servis suis..alleluia
  23. 🔍 26% AlleluiaAlleluia
  24. 🔍 26% Venite exsultemus IVVenite exsultemus IV
  25. 🔍 26% Alleluia (Nos qui vivimus)Alleluia (Nos qui vivimus)
  26. 🔍 26% Alleluia. (Saturday P. T. at Lauds II)Alleluia. (Saturday P. T. at Lauds II)
  27. 🔍 25% Alleluia (Benedictus Dominus Deus)Alleluia (Benedictus Dominus Deus)
  28. 🔍 25% Salus et gloria - mode IVSalus et gloria - mode IV
  29. 🔍 25% Benedicam te in vitaBenedicam te in vita
  30. 🔍 25% Laus Deo PatriLaus Deo Patri
  31. 🔍 25% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  32. 🔍 25% Alleluia. (Dixit Dominus)Alleluia. (Dixit Dominus)
  33. 🔍 25% Alleluia (mode 8)Alleluia (mode 8)
  34. 🔍 25% Laus Deo PatriLaus Deo Patri
  35. 🔍 25% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  36. 🔍 25% Gustate et videteGustate et videte
  37. 🔍 25% Sancta Maria succurreSancta Maria succurre
  38. 🔍 25% Alleluia (Rectos decet)Alleluia (Rectos decet)
  39. 🔍 25% Alleluia (mode 8)Alleluia (mode 8)
  40. 🔍 25% Benedixit Deum caeliBenedixit Deum caeli
  41. 🔍 25% Alleluia alleluiaAlleluia alleluia
  42. 🔍 25% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  43. 🔍 25% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  44. 🔍 24% Exsultavit cor meum...alleluiaExsultavit cor meum...alleluia
  45. 🔍 24% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  46. 🔍 24% Convocatis Jesus duodecimConvocatis Jesus duodecim
  47. 🔍 24% Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)
  48. 🔍 24% Dicite pusillanimesDicite pusillanimes
  49. 🔍 24% Benedictus DominusBenedictus Dominus
  50. 🔍 24% Exsurgat DeusExsurgat Deus
  51. 🔍 24% Reversus est AngelusReversus est Angelus
  52. 🔍 24% Alleluia (Tu es Deus)Alleluia (Tu es Deus)
  53. 🔍 24% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  54. 🔍 24% Alleluia (ant.)Alleluia (ant.)
  55. 🔍 24% Alleluia (ant.)Alleluia (ant.)
  56. 🔍 24% Dabit illi DominusDabit illi Dominus
  57. 🔍 24% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  58. 🔍 24% Et ecce vox de nubeEt ecce vox de nube
  59. 🔍 24% Jubilate Deo omnisJubilate Deo omnis
  60. 🔍 23% Angelus Domini nuntiavitAngelus Domini nuntiavit
  61. 🔍 23% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  62. 🔍 23% Alleluia (In conspectu)Alleluia (In conspectu)
  63. 🔍 23% Dixit Jesus: Ut sciatisDixit Jesus: Ut sciatis
  64. 🔍 23% Venite exsultemus IV*Venite exsultemus IV*
  65. 🔍 23% Sanctificavit DominusSanctificavit Dominus