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% Redemptionem misit ... alleluiaRedemptionem misit ... alleluia
  2. 🔍 45% Redemptionem misit DominusRedemptionem misit Dominus
  3. 🔍 42% Redemptionem ... alleluiaRedemptionem ... alleluia
  4. 🔍 38% Sedes tua DeusSedes tua Deus
  5. 🔍 36% Redemptionem misitRedemptionem misit
  6. 🔍 35% Redemptionem misitRedemptionem misit
  7. 🔍 31% RedemptionemRedemptionem
  8. 🔍 29% Purgationem peccatorumPurgationem peccatorum
  9. 🔍 27% Redemptionem ... mandavitRedemptionem ... mandavit
  10. 🔍 26% Adhuc modicumAdhuc modicum
  11. 🔍 24% Venite et videteVenite et videte
  12. 🔍 23% Alleluia alleluiaAlleluia alleluia
  13. 🔍 23% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 23% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  15. 🔍 23% AlleluiaAlleluia
  16. 🔍 23% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  17. 🔍 23% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 22% RedemptionemRedemptionem
  19. 🔍 22% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  20. 🔍 22% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  21. 🔍 22% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  22. 🔍 22% Ostende nobis DomineOstende nobis Domine
  23. 🔍 22% Ave Maria ... alleluiaAve Maria ... alleluia
  24. 🔍 22% AlleluiaAlleluia
  25. 🔍 21% RedemptionemRedemptionem
  26. 🔍 21% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  27. 🔍 21% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  28. 🔍 21% De Sion venietDe Sion veniet
  29. 🔍 21% AlleluiaAlleluia
  30. 🔍 21% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  31. 🔍 21% AlleluiaAlleluia
  32. 🔍 21% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  33. 🔍 21% Eduxit eosEduxit eos
  34. 🔍 21% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  35. 🔍 21% AlleluiaAlleluia
  36. 🔍 21% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  37. 🔍 21% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  38. 🔍 21% Domine refugiumDomine refugium
  39. 🔍 20% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  40. 🔍 20% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  41. 🔍 20% Alleluia audiviAlleluia audivi
  42. 🔍 20% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  43. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  44. 🔍 20% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  45. 🔍 20% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  46. 🔍 20% Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)
  47. 🔍 20% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  48. 🔍 20% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  49. 🔍 20% Alleluia (ant.)Alleluia (ant.)
  50. 🔍 20% Alleluia (ant.)Alleluia (ant.)
  51. 🔍 20% Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)
  52. 🔍 20% Nomini tuoNomini tuo
  53. 🔍 20% Alleluia alleluia alleluia (Secunda T.P. in II Nocturno)Alleluia alleluia alleluia (Secunda T.P. in II Nocturno)
  54. 🔍 20% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  55. 🔍 19% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  56. 🔍 19% Domine Dominus nosterDomine Dominus noster
  57. 🔍 19% Alleluia. (Thursday P. T. at Lauds II) Alleluia. (Thursday P. T. at Lauds II)
  58. 🔍 19% Ego sum viaEgo sum via
  59. 🔍 19% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  60. 🔍 19% Exortum est ... alleluiaExortum est ... alleluia
  61. 🔍 19% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  62. 🔍 19% Sedebit DominusSedebit Dominus
  63. 🔍 19% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  64. 🔍 19% Portio mea DominePortio mea Domine
  65. 🔍 19% Sedes tuaSedes tua