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% Constitues eosConstitues eos
  2. 🔍 32% Constitues eosConstitues eos
  3. 🔍 26% Constitues eosConstitues eos
  4. 🔍 19% Virga JesseVirga Jesse
  5. 🔍 19% Constitues eosConstitues eos
  6. 🔍 18% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  7. 🔍 17% Salvator mundiSalvator mundi
  8. 🔍 17% VerumtamenVerumtamen
  9. 🔍 17% Christo confixusChristo confixus
  10. 🔍 17% Justus ut palmaJustus ut palma
  11. 🔍 17% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  12. 🔍 17% Amavit eum Dominus (All.)Amavit eum Dominus (All.)
  13. 🔍 16% DolorosaDolorosa
  14. 🔍 16% De excelsoDe excelso
  15. 🔍 16% Dilexit AndreamDilexit Andream
  16. 🔍 16% Exaltabo teExaltabo te
  17. 🔍 15% Surrexit Christus et illuxitSurrexit Christus et illuxit
  18. 🔍 15% Deus qui sedesDeus qui sedes
  19. 🔍 15% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  20. 🔍 15% Senex puerumSenex puerum
  21. 🔍 14% Libera me Domine de morteLibera me Domine de morte
  22. 🔍 14% Gloria laus et honorGloria laus et honor
  23. 🔍 14% Ego autemEgo autem
  24. 🔍 14% Christo confixusChristo confixus
  25. 🔍 14% Ave Maris Stella (in Solemnitatibus)Ave Maris Stella (in Solemnitatibus)
  26. 🔍 14% Lamentatio VIIILamentatio VIII
  27. 🔍 14% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  28. 🔍 14% Spiritus SanctusSpiritus Sanctus
  29. 🔍 14% Ave maris stella (I)Ave maris stella (I)
  30. 🔍 14% Haec dies... Dicant nuncHaec dies... Dicant nunc
  31. 🔍 14% Ave Rex nosterAve Rex noster
  32. 🔍 14% Ave maris stella (in sollemnitatis)Ave maris stella (in sollemnitatis)
  33. 🔍 13% Reposita estReposita est
  34. 🔍 13% O sidus refulgensO sidus refulgens
  35. 🔍 13% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  36. 🔍 13% Domine Jesu ChristeDomine Jesu Christe
  37. 🔍 13% AdoramusAdoramus
  38. 🔍 13% Confirma hocConfirma hoc
  39. 🔍 13% Confirma hocConfirma hoc
  40. 🔍 13% Redemisti nosRedemisti nos
  41. 🔍 13% ExclamaveruntExclamaverunt
  42. 🔍 13% Custodi innocentiamCustodi innocentiam
  43. 🔍 13% Et erat ibiEt erat ibi
  44. 🔍 13% Christo confixusChristo confixus
  45. 🔍 13% Sancti tui ... benedicentSancti tui ... benedicent
  46. 🔍 13% Humiliavit (in Eastertide)Humiliavit (in Eastertide)
  47. 🔍 13% Salve ReginaSalve Regina
  48. 🔍 13% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  49. 🔍 13% Salve ReginaSalve Regina
  50. 🔍 13% Exsurge... et intendeExsurge... et intende
  51. 🔍 13% Oculus DeiOculus Dei
  52. 🔍 13% AemulorAemulor
  53. 🔍 12% Juravit DominusJuravit Dominus
  54. 🔍 12% In virtute tuaIn virtute tua
  55. 🔍 12% Recordare meiRecordare mei
  56. 🔍 12% Gaudete justiGaudete justi
  57. 🔍 12% Ego autemEgo autem
  58. 🔍 12% Justorum animaeJustorum animae
  59. 🔍 12% Sancti tuiSancti tui
  60. 🔍 12% Tu puerTu puer
  61. 🔍 12% Oculi omniumOculi omnium
  62. 🔍 12% Recordare meiRecordare mei
  63. 🔍 12% Exaudi DomineExaudi Domine
  64. 🔍 12% De excelsoDe excelso
  65. 🔍 12% Gaudete justiGaudete justi