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: 2025-12-20. 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% Primus ad SionPrimus ad Sion
  2. 🔍 72% Turris fortissimaTurris fortissima
  3. 🔍 64% Beatus vir qui timetBeatus vir qui timet
  4. 🔍 60% Beatus vir qui suffertBeatus vir qui suffert
  5. 🔍 26% Locus isteLocus iste
  6. 🔍 25% Omnes de SabaOmnes de Saba
  7. 🔍 25% Cantate DominoCantate Domino
  8. 🔍 21% ConvertereConvertere
  9. 🔍 21% Pacifice loquebanturPacifice loquebantur
  10. 🔍 21% Beatus vir qui timetBeatus vir qui timet
  11. 🔍 20% Dabo in SionDabo in Sion
  12. 🔍 20% Dilectus meusDilectus meus
  13. 🔍 19% Domine Dominus nosterDomine Dominus noster
  14. 🔍 19% Dabo in SionDabo in Sion
  15. 🔍 19% Dabo in SionDabo in Sion
  16. 🔍 18% Qui operatus estQui operatus est
  17. 🔍 18% Dabo in SionDabo in Sion
  18. 🔍 18% Benedictus esBenedictus es
  19. 🔍 18% Protector nosterProtector noster
  20. 🔍 18% EvangelizareEvangelizare
  21. 🔍 18% Salus et gloriaSalus et gloria
  22. 🔍 18% Invocabit DominumInvocabit Dominum
  23. 🔍 17% Exsurge quare obdormisExsurge quare obdormis
  24. 🔍 17% Ecce DeusEcce Deus
  25. 🔍 17% Justorum animaeJustorum animae
  26. 🔍 17% Constanti pectoreConstanti pectore
  27. 🔍 17% Constitues eosConstitues eos
  28. 🔍 17% Ponam in SionPonam in Sion
  29. 🔍 17% Venite filiiVenite filii
  30. 🔍 17% SitivitSitivit
  31. 🔍 17% Hic est qui venitHic est qui venit
  32. 🔍 16% Dabo in SionDabo in Sion
  33. 🔍 16% EvangelizareEvangelizare
  34. 🔍 16% Benedicta es tu (Grad)Benedicta es tu (Grad)
  35. 🔍 16% Ego dilectoEgo dilecto
  36. 🔍 16% Alleluia (ant.)Alleluia (ant.)
  37. 🔍 16% Alleluia (ant.)Alleluia (ant.)
  38. 🔍 16% Beatus vir qui timetBeatus vir qui timet
  39. 🔍 16% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  40. 🔍 16% Unam petii... Ut... visitemUnam petii... Ut... visitem
  41. 🔍 16% Bonum est confidereBonum est confidere
  42. 🔍 16% Gaudens gaudeboGaudens gaudebo
  43. 🔍 15% Laudate pueriLaudate pueri
  44. 🔍 15% SederuntSederunt
  45. 🔍 15% Discerne causamDiscerne causam
  46. 🔍 15% Ponam in Sion salutemPonam in Sion salutem
  47. 🔍 15% Benedicta es tu (Grad.)Benedicta es tu (Grad.)
  48. 🔍 15% In Deo speravitIn Deo speravit
  49. 🔍 15% Tollite hostiasTollite hostias
  50. 🔍 15% Benedicite DominumBenedicite Dominum
  51. 🔍 15% Viderunt omnesViderunt omnes
  52. 🔍 15% Benedicite gentesBenedicite gentes
  53. 🔍 15% Misericordia DominiMisericordia Domini
  54. 🔍 15% Intret oratioIntret oratio
  55. 🔍 15% Quis sicut DominusQuis sicut Dominus
  56. 🔍 15% Exiit sermoExiit sermo
  57. 🔍 15% Multiplicata suntMultiplicata sunt
  58. 🔍 15% Honora DominumHonora Dominum
  59. 🔍 15% SitientesSitientes
  60. 🔍 15% Adjuvabit eamAdjuvabit eam
  61. 🔍 15% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  62. 🔍 15% Tollite portasTollite portas
  63. 🔍 15% Me exspectaveruntMe exspectaverunt
  64. 🔍 14% Salus et gloriaSalus et gloria
  65. 🔍 14% Dominus dixitDominus dixit