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% Justi confitebunturJusti confitebuntur
  2. 🔍 42% Justi confitebunturJusti confitebuntur
  3. 🔍 34% Justi confitebunturJusti confitebuntur
  4. 🔍 33% Iusti confitebunturIusti confitebuntur
  5. 🔍 28% Iusti confitebunturIusti confitebuntur
  6. 🔍 27% Iusti confitebunturIusti confitebuntur
  7. 🔍 25% Sancti et justiSancti et justi
  8. 🔍 25% Sancti et justiSancti et justi
  9. 🔍 24% Fulgebunt justi sicut solFulgebunt justi sicut sol
  10. 🔍 24% Gloria et honore...allel.Gloria et honore...allel.
  11. 🔍 24% Os justi (T.P.)Os justi (T.P.)
  12. 🔍 24% Sancti et justiSancti et justi
  13. 🔍 23% Justi confitebunturJusti confitebuntur
  14. 🔍 23% Sancti et justi in DominoSancti et justi in Domino
  15. 🔍 23% Fulgebunt justi Fulgebunt justi
  16. 🔍 23% Alleluia. (Friday P. T. at Lauds II) Alleluia. (Friday P. T. at Lauds II)
  17. 🔍 23% Bellabunt adversum te (T.P.)Bellabunt adversum te (T.P.)
  18. 🔍 22% Adjutorium nostrumAdjutorium nostrum
  19. 🔍 22% Sancti et justiSancti et justi
  20. 🔍 21% Justi autem... allel.Justi autem... allel.
  21. 🔍 21% Gloriosus apparuistiGloriosus apparuisti
  22. 🔍 21% Spiritus DominiSpiritus Domini
  23. 🔍 21% Sancti et justi in DominoSancti et justi in Domino
  24. 🔍 21% Sancti et justi in DominoSancti et justi in Domino
  25. 🔍 21% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  26. 🔍 21% Sancti et justiSancti et justi
  27. 🔍 21% Parvulus filiusParvulus filius
  28. 🔍 21% Justi fulgebunt sicut solJusti fulgebunt sicut sol
  29. 🔍 20% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  30. 🔍 20% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  31. 🔍 20% Servite DominoServite Domino
  32. 🔍 20% Montes et collesMontes et colles
  33. 🔍 20% Laetamini in Domino... allel.Laetamini in Domino... allel.
  34. 🔍 19% Exsultate justiExsultate justi
  35. 🔍 19% Os justiOs justi
  36. 🔍 19% Super nivemSuper nivem
  37. 🔍 19% Gloria et honore (Resp. Br.)Gloria et honore (Resp. Br.)
  38. 🔍 19% AlleluiaAlleluia
  39. 🔍 19% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  40. 🔍 19% Jubilate DeoJubilate Deo
  41. 🔍 19% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  42. 🔍 19% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  43. 🔍 19% Alleluia (mode 8)Alleluia (mode 8)
  44. 🔍 19% Verbum caro factum estVerbum caro factum est
  45. 🔍 19% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  46. 🔍 19% Sancti et justi ... alleluiaSancti et justi ... alleluia
  47. 🔍 19% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  48. 🔍 19% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  49. 🔍 19% Os justiOs justi
  50. 🔍 19% Et ideo nomenEt ideo nomen
  51. 🔍 18% Os justiOs justi
  52. 🔍 18% Ascendit DeusAscendit Deus
  53. 🔍 18% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  54. 🔍 18% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  55. 🔍 18% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  56. 🔍 18% Amplificatus est (T.P.)Amplificatus est (T.P.)
  57. 🔍 18% Os justiOs justi
  58. 🔍 18% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  59. 🔍 18% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  60. 🔍 18% Gloria et honore... allel.Gloria et honore... allel.
  61. 🔍 18% Ascendit DeusAscendit Deus
  62. 🔍 18% Adoramus te ChristeAdoramus te Christe
  63. 🔍 18% Gloria et honore ... allel.Gloria et honore ... allel.
  64. 🔍 18% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  65. 🔍 18% Alleluia. (Saturday P. T. at Lauds II)Alleluia. (Saturday P. T. at Lauds II)