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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  2. πŸ” 77% Maria Mater gratiae (cantus II)Maria Mater gratiae (cantus II)
  3. πŸ” 65% Maria Mater gratiae (cantus IV)Maria Mater gratiae (cantus IV)
  4. πŸ” 53% Maria Mater gratiaeMaria Mater gratiae
  5. πŸ” 44% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  6. πŸ” 43% Memento rerum conditorMemento rerum conditor
  7. πŸ” 43% Te lucis ante terminumTe lucis ante terminum
  8. πŸ” 43% Te Mater almaTe Mater alma
  9. πŸ” 40% Jesu corona Virginum (Alter Tonus)Jesu corona Virginum (Alter Tonus)
  10. πŸ” 38% Memento rerum conditorMemento rerum conditor
  11. πŸ” 37% Lux alma Jesu mentiumLux alma Jesu mentium
  12. πŸ” 37% Memento, salutis AuctorMemento, salutis Auctor
  13. πŸ” 35% Summae Deus clemtiaeSummae Deus clemtiae
  14. πŸ” 35% Summae Deus clementiae septemSummae Deus clementiae septem
  15. πŸ” 34% Jesu Corona Virginum alter tonusJesu Corona Virginum alter tonus
  16. πŸ” 34% Te CatharinaTe Catharina
  17. πŸ” 34% Memento, salutis AuctorMemento, salutis Auctor
  18. πŸ” 33% Summae Deus clementiaeSummae Deus clementiae
  19. πŸ” 32% Jesu decus angelicumJesu decus angelicum
  20. πŸ” 32% Te Mater alma NuminisTe Mater alma Numinis
  21. πŸ” 32% Jesu dulcis memoria!Jesu dulcis memoria!
  22. πŸ” 32% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  23. πŸ” 32% Te lucis ante terminum (In Festo Corporis Christi)Te lucis ante terminum (In Festo Corporis Christi)
  24. πŸ” 32% Summae Deus clementiae septemSummae Deus clementiae septem
  25. πŸ” 32% A solis ortusA solis ortus
  26. πŸ” 31% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  27. πŸ” 31% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  28. πŸ” 31% Memento salutis AuctorMemento salutis Auctor
  29. πŸ” 31% Haec hora (Pentecostes)Haec hora (Pentecostes)
  30. πŸ” 31% Aeterne Rex altissimeAeterne Rex altissime
  31. πŸ” 31% Fortem virili pectoreFortem virili pectore
  32. πŸ” 31% Auctor beate saeculiAuctor beate saeculi
  33. πŸ” 31% Tantum ergo (cantus V)Tantum ergo (cantus V)
  34. πŸ” 31% Te lucis ante terminum (Septem Dolorum)Te lucis ante terminum (Septem Dolorum)
  35. πŸ” 31% Te Mater almaTe Mater alma
  36. πŸ” 31% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  37. πŸ” 30% Summae Deus clementiae septemSummae Deus clementiae septem
  38. πŸ” 30% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  39. πŸ” 30% Rerum Deus (in Festo Septem Dolorum BMV)Rerum Deus (in Festo Septem Dolorum BMV)
  40. πŸ” 30% Te lucis ante terminumTe lucis ante terminum
  41. πŸ” 30% O vos aethereiO vos aetherei
  42. πŸ” 30% Hostis HerodesHostis Herodes
  43. πŸ” 30% O lux beata CaelitumO lux beata Caelitum
  44. πŸ” 30% Veni Redemptor gentiumVeni Redemptor gentium
  45. πŸ” 30% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  46. πŸ” 29% Adesto rerum conditorAdesto rerum conditor
  47. πŸ” 29% Verbum caro factum estVerbum caro factum est
  48. πŸ” 29% O lux beata CaelitumO lux beata Caelitum
  49. πŸ” 29% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  50. πŸ” 29% Salve mundi DominaSalve mundi Domina
  51. πŸ” 29% Te lucis ante terminum (In Epiphania)Te lucis ante terminum (In Epiphania)
  52. πŸ” 29% O lux beata CaelitumO lux beata Caelitum
  53. πŸ” 29% O lux beata CaelitumO lux beata Caelitum
  54. πŸ” 29% Dicamus laudes (In festis)Dicamus laudes (In festis)
  55. πŸ” 29% Certum tenentes (In dominicis per annum)Certum tenentes (In dominicis per annum)
  56. πŸ” 29% Nunc Sancte nobis (In Festo Septem Dolorum BMV)Nunc Sancte nobis (In Festo Septem Dolorum BMV)
  57. πŸ” 29% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  58. πŸ” 28% Gloria (Missa Votiva BMV)Gloria (Missa Votiva BMV)
  59. πŸ” 28% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  60. πŸ” 28% O lux beata CaelitumO lux beata Caelitum
  61. πŸ” 28% O castitatis signiferO castitatis signifer
  62. πŸ” 28% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  63. πŸ” 28% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  64. πŸ” 28% Audit tyrannus anxiusAudit tyrannus anxius
  65. πŸ” 28% De profundis exclamantesDe profundis exclamantes