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% Joseph vir ejusJoseph vir ejus
  2. 🔍 88% Joseph vir ejusJoseph vir ejus
  3. 🔍 73% Joseph vir ejusJoseph vir ejus
  4. 🔍 43% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  5. 🔍 43% Cum esset desponsata (19 Martii)Cum esset desponsata (19 Martii)
  6. 🔍 31% Maternitas tuaMaternitas tua
  7. 🔍 30% In ferventis oleiIn ferventis olei
  8. 🔍 30% Innuebant patriInnuebant patri
  9. 🔍 30% Unus militumUnus militum
  10. 🔍 30% Unus militumUnus militum
  11. 🔍 30% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  12. 🔍 30% Ecce Dominus noster... ut illuminetEcce Dominus noster... ut illuminet
  13. 🔍 29% Dixit Mater ejus ad illumDixit Mater ejus ad illum
  14. 🔍 29% Erat pater ejusErat pater ejus
  15. 🔍 29% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  16. 🔍 29% Exsurgens JosephExsurgens Joseph
  17. 🔍 28% Joseph fili DavidJoseph fili David
  18. 🔍 28% Immittet AngelusImmittet Angelus
  19. 🔍 28% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  20. 🔍 28% Ne tacuerisNe tacueris
  21. 🔍 28% Triduanas a DominoTriduanas a Domino
  22. 🔍 28% Benedicta es tuBenedicta es tu
  23. 🔍 28% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  24. 🔍 28% Ecce fidelis servusEcce fidelis servus
  25. 🔍 28% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  26. 🔍 28% Miserere mihiMiserere mihi
  27. 🔍 28% Gabriel Angelus... EcceGabriel Angelus... Ecce
  28. 🔍 28% Angelus Domini apparuitAngelus Domini apparuit
  29. 🔍 28% Dum esset rexDum esset rex
  30. 🔍 28% Christus JesusChristus Jesus
  31. 🔍 28% Ecce Crucem DominiEcce Crucem Domini
  32. 🔍 27% Vocabis nomen ejusVocabis nomen ejus
  33. 🔍 27% Dum esset summusDum esset summus
  34. 🔍 27% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  35. 🔍 27% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  36. 🔍 27% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  37. 🔍 27% Joannes vocabiturJoannes vocabitur
  38. 🔍 27% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  39. 🔍 27% Cum audisset JobCum audisset Job
  40. 🔍 27% Joannes autemJoannes autem
  41. 🔍 27% Sancti et justiSancti et justi
  42. 🔍 27% Deus autem nosterDeus autem noster
  43. 🔍 27% Ut audivitUt audivit
  44. 🔍 27% Ecce veniet desideratusEcce veniet desideratus
  45. 🔍 27% Si diligitis meSi diligitis me
  46. 🔍 26% At Jesus conversusAt Jesus conversus
  47. 🔍 26% Ait autem AngelusAit autem Angelus
  48. 🔍 26% Dum esset summus pontifexDum esset summus pontifex
  49. 🔍 26% Laudate DeumLaudate Deum
  50. 🔍 26% Dixit autem MariaDixit autem Maria
  51. 🔍 26% Et dicebantEt dicebant
  52. 🔍 26% Joannes vocabitur nomenJoannes vocabitur nomen
  53. 🔍 26% Exaltata est Virgo MariaExaltata est Virgo Maria
  54. 🔍 26% Cum esset seroCum esset sero
  55. 🔍 26% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  56. 🔍 26% Ascendit autem JosephAscendit autem Joseph
  57. 🔍 26% Ne reminiscaris... meaNe reminiscaris... mea
  58. 🔍 26% Genuisti qui te fecitGenuisti qui te fecit
  59. 🔍 26% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  60. 🔍 26% Descendit cum MariaDescendit cum Maria
  61. 🔍 26% Resplenduit faciesResplenduit facies
  62. 🔍 26% Dabit ei DominusDabit ei Dominus
  63. 🔍 26% Ecce Dominus venietEcce Dominus veniet
  64. 🔍 26% Sapientia clamitatSapientia clamitat
  65. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)