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% Fulget in choroFulget in choro
  2. 🔍 82% Fulget in choro VirginumFulget in choro Virginum
  3. 🔍 30% Lauda in choroLauda in choro
  4. 🔍 24% Ne timeasNe timeas
  5. 🔍 23% Angeli DominiAngeli Domini
  6. 🔍 23% Fulget namque athleta DeiFulget namque athleta Dei
  7. 🔍 23% PaganorumPaganorum
  8. 🔍 22% Haurietis aquas (I)Haurietis aquas (I)
  9. 🔍 22% Filiae JerusalemFiliae Jerusalem
  10. 🔍 22% Alleluia verbum caroAlleluia verbum caro
  11. 🔍 22% Salve Pater SalvatorisSalve Pater Salvatoris
  12. 🔍 22% Ave MariaAve Maria
  13. 🔍 21% O martyr egregieO martyr egregie
  14. 🔍 21% Exsultavit... in DominoExsultavit... in Domino
  15. 🔍 21% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  16. 🔍 21% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  17. 🔍 21% Gloria in excelsisGloria in excelsis
  18. 🔍 21% Benedicite DeumBenedicite Deum
  19. 🔍 21% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  20. 🔍 21% In aeternumIn aeternum
  21. 🔍 21% Alleluia laudate DominumAlleluia laudate Dominum
  22. 🔍 21% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  23. 🔍 21% Quasi meridianusQuasi meridianus
  24. 🔍 21% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  25. 🔍 21% Adhuc multa habeoAdhuc multa habeo
  26. 🔍 21% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  27. 🔍 21% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  28. 🔍 20% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  29. 🔍 20% Adhuc multaAdhuc multa
  30. 🔍 20% Gentis redemptaeGentis redemptae
  31. 🔍 20% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  32. 🔍 20% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  33. 🔍 20% Si diligitis meSi diligitis me
  34. 🔍 20% O virgo maximaO virgo maxima
  35. 🔍 20% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  36. 🔍 20% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  37. 🔍 20% Genuit puerperaGenuit puerpera
  38. 🔍 20% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  39. 🔍 20% Dux fideiDux fidei
  40. 🔍 20% O stuporO stupor
  41. 🔍 20% Credo IIICredo III
  42. 🔍 20% Adhuc multa habeo vobis dicereAdhuc multa habeo vobis dicere
  43. 🔍 20% Credo IICredo II
  44. 🔍 20% Alleluia faciem tuamAlleluia faciem tuam
  45. 🔍 20% ModicumModicum
  46. 🔍 20% Credo IIICredo III
  47. 🔍 20% Credo in Deum IIICredo in Deum III
  48. 🔍 20% Constanti pectoreConstanti pectore
  49. 🔍 20% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  50. 🔍 20% Funeris manet integritasFuneris manet integritas
  51. 🔍 20% Si manseritis in meSi manseritis in me
  52. 🔍 19% Benedicam te IBenedicam te I
  53. 🔍 19% Alleluia panisAlleluia panis
  54. 🔍 19% Verbum caro factum estVerbum caro factum est
  55. 🔍 19% Gloria XIXGloria XIX
  56. 🔍 19% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  57. 🔍 19% Summa pollensSumma pollens
  58. 🔍 19% O lumenO lumen
  59. 🔍 19% Vestri capilli capitisVestri capilli capitis
  60. 🔍 19% Vestri capilli capitisVestri capilli capitis
  61. 🔍 19% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  62. 🔍 19% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  63. 🔍 19% Doctus doctriceDoctus doctrice
  64. 🔍 19% Notum fecitNotum fecit
  65. 🔍 19% Quem vidistisQuem vidistis