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% Summum RegemSummum Regem
  2. 🔍 41% Pauper in peculioPauper in peculio
  3. 🔍 38% DefunctiDefuncti
  4. 🔍 38% Ecce ReginaEcce Regina
  5. 🔍 36% Angelorum escaAngelorum esca
  6. 🔍 32% Genuit puerperaGenuit puerpera
  7. 🔍 32% Cum redirentCum redirent
  8. 🔍 32% ExsultabundaExsultabunda
  9. 🔍 31% Ego autem sum vermisEgo autem sum vermis
  10. 🔍 31% O Rex gloriaeO Rex gloriae
  11. 🔍 31% Non vos relinquamNon vos relinquam
  12. 🔍 31% Oratione et devotioneOratione et devotione
  13. 🔍 30% Decus morumDecus morum
  14. 🔍 29% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  15. 🔍 29% Filiae JerusalemFiliae Jerusalem
  16. 🔍 29% Et veneruntEt venerunt
  17. 🔍 28% Ave MariaAve Maria
  18. 🔍 28% Crucem sanctamCrucem sanctam
  19. 🔍 28% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  20. 🔍 28% Christum, Regem RegumChristum, Regem Regum
  21. 🔍 28% Beati estisBeati estis
  22. 🔍 28% Angelorum escaAngelorum esca
  23. 🔍 27% Sancte N.Sancte N.
  24. 🔍 27% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  25. 🔍 27% Splendor paternaeSplendor paternae
  26. 🔍 27% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  27. 🔍 27% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  28. 🔍 27% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  29. 🔍 27% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  30. 🔍 26% Nemo te condemnavitNemo te condemnavit
  31. 🔍 26% Aeterna caeli gloriaAeterna caeli gloria
  32. 🔍 26% Splendor paternae gloriaeSplendor paternae gloriae
  33. 🔍 26% Crucem sanctamCrucem sanctam
  34. 🔍 26% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  35. 🔍 26% In ferventisIn ferventis
  36. 🔍 26% Solemnitatem hodiernamSolemnitatem hodiernam
  37. 🔍 26% Solemnitatem hodiernam sacratissimi RosariiSolemnitatem hodiernam sacratissimi Rosarii
  38. 🔍 26% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  39. 🔍 26% Jerusalem respiceJerusalem respice
  40. 🔍 26% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  41. 🔍 26% Omnis plebsOmnis plebs
  42. 🔍 26% Ego sum panis (I)Ego sum panis (I)
  43. 🔍 25% O OriensO Oriens
  44. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  45. 🔍 25% Audi IsraelAudi Israel
  46. 🔍 25% Benedicta filiaBenedicta filia
  47. 🔍 25% SanctificavitSanctificavit
  48. 🔍 25% Ante luciferum genitusAnte luciferum genitus
  49. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  50. 🔍 25% Beata es MariaBeata es Maria
  51. 🔍 25% O Virgo virginumO Virgo virginum
  52. 🔍 25% Felicem AgnetisFelicem Agnetis
  53. 🔍 25% Angelorum escaAngelorum esca
  54. 🔍 25% Precemur omnes cernuiPrecemur omnes cernui
  55. 🔍 25% Candidi facti suntCandidi facti sunt
  56. 🔍 25% Christus resurgensChristus resurgens
  57. 🔍 25% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  58. 🔍 25% O crux splendidiorO crux splendidior
  59. 🔍 25% O SapientiaO Sapientia
  60. 🔍 25% Tu ChristeTu Christe
  61. 🔍 25% Audi benigne Conditor Audi benigne Conditor
  62. 🔍 25% Lucis LargitorLucis Largitor
  63. 🔍 25% Viderunt te aquaeViderunt te aquae
  64. 🔍 25% Aeterne lucis conditorAeterne lucis conditor
  65. 🔍 24% Audi benigne conditorAudi benigne conditor