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% Turris fortissimaTurris fortissima
  2. 🔍 72% Primus ad SionPrimus ad Sion
  3. 🔍 70% Beatus vir qui timetBeatus vir qui timet
  4. 🔍 63% Beatus vir qui suffertBeatus vir qui suffert
  5. 🔍 27% Cantate DominoCantate Domino
  6. 🔍 26% Locus isteLocus iste
  7. 🔍 25% Beatus vir qui timetBeatus vir qui timet
  8. 🔍 25% Omnes de SabaOmnes de Saba
  9. 🔍 23% Pacifice loquebanturPacifice loquebantur
  10. 🔍 22% ConvertereConvertere
  11. 🔍 22% Invocabit DominumInvocabit Dominum
  12. 🔍 21% Domine Dominus nosterDomine Dominus noster
  13. 🔍 20% Dilectus meusDilectus meus
  14. 🔍 20% Hic est qui venitHic est qui venit
  15. 🔍 20% Exsurge quare obdormisExsurge quare obdormis
  16. 🔍 19% Constitues eosConstitues eos
  17. 🔍 19% Qui operatus estQui operatus est
  18. 🔍 19% Benedictus esBenedictus es
  19. 🔍 19% Justorum animaeJustorum animae
  20. 🔍 19% Os justiOs justi
  21. 🔍 19% Venite filiiVenite filii
  22. 🔍 19% Protector nosterProtector noster
  23. 🔍 19% SitivitSitivit
  24. 🔍 18% Laudate pueriLaudate pueri
  25. 🔍 18% Viderunt omnesViderunt omnes
  26. 🔍 18% Beatus vir qui timetBeatus vir qui timet
  27. 🔍 18% Me exspectaveruntMe exspectaverunt
  28. 🔍 18% Salus et gloriaSalus et gloria
  29. 🔍 18% Alleluia (ant.)Alleluia (ant.)
  30. 🔍 18% Alleluia (ant.)Alleluia (ant.)
  31. 🔍 18% Unam petii... Ut... visitemUnam petii... Ut... visitem
  32. 🔍 18% Gaudens gaudeboGaudens gaudebo
  33. 🔍 18% Ecce DeusEcce Deus
  34. 🔍 17% Quis sicut DominusQuis sicut Dominus
  35. 🔍 17% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  36. 🔍 17% Cibavit eos... frumenti alleluiaCibavit eos... frumenti alleluia
  37. 🔍 17% Lucis creatorLucis creator
  38. 🔍 17% SederuntSederunt
  39. 🔍 17% Lucis Creator optimeLucis Creator optime
  40. 🔍 17% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  41. 🔍 17% Ego dilectoEgo dilecto
  42. 🔍 17% Adjuvabit eamAdjuvabit eam
  43. 🔍 17% Exiit sermoExiit sermo
  44. 🔍 17% Terribilis estTerribilis est
  45. 🔍 17% Cibavit eos... alleluiaCibavit eos... alleluia
  46. 🔍 17% Lucis creatorLucis creator
  47. 🔍 16% Discerne causamDiscerne causam
  48. 🔍 16% Bonum est confidereBonum est confidere
  49. 🔍 16% Benedicite DominumBenedicite Dominum
  50. 🔍 16% Benedicta es tu (Grad)Benedicta es tu (Grad)
  51. 🔍 16% In Deo speravitIn Deo speravit
  52. 🔍 16% Misericordia DominiMisericordia Domini
  53. 🔍 16% Unam petii... Ut... protegarUnam petii... Ut... protegar
  54. 🔍 16% Me exspectaveruntMe exspectaverunt
  55. 🔍 16% Tollite portasTollite portas
  56. 🔍 16% Cantate DominoCantate Domino
  57. 🔍 16% Salus et gloriaSalus et gloria
  58. 🔍 16% Laetabitur (I)Laetabitur (I)
  59. 🔍 16% Christus factus estChristus factus est
  60. 🔍 16% Alleluia Faciem tuamAlleluia Faciem tuam
  61. 🔍 16% Non participenturNon participentur
  62. 🔍 16% Timebunt gentesTimebunt gentes
  63. 🔍 16% SitientesSitientes
  64. 🔍 16% De profundisDe profundis
  65. 🔍 16% In te speraviIn te speravi