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 IV)Maria Mater gratiae (cantus IV)
  2. πŸ” 65% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  3. πŸ” 58% Maria Mater gratiae (cantus II)Maria Mater gratiae (cantus II)
  4. πŸ” 50% Aeterne Rector siderumAeterne Rector siderum
  5. πŸ” 49% Orbis patratorOrbis patrator
  6. πŸ” 49% Orbis Patrator optimeOrbis Patrator optime
  7. πŸ” 41% Proles de caeloProles de caelo
  8. πŸ” 35% Maria Mater gratiaeMaria Mater gratiae
  9. πŸ” 32% Te lucis ante terminumTe lucis ante terminum
  10. πŸ” 31% Te Mater almaTe Mater alma
  11. πŸ” 29% Divine ductor RaphaelDivine ductor Raphael
  12. πŸ” 27% Memento rerum conditorMemento rerum conditor
  13. πŸ” 26% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  14. πŸ” 26% Petrus beatusPetrus beatus
  15. πŸ” 24% Te lucis ante terminum (In Epiphania)Te lucis ante terminum (In Epiphania)
  16. πŸ” 24% Memento, salutis AuctorMemento, salutis Auctor
  17. πŸ” 24% Dicamus laudes Domino (A Sollemnitate Epiphaniae)Dicamus laudes Domino (A Sollemnitate Epiphaniae)
  18. πŸ” 24% Gloria (Missa Votiva BMV)Gloria (Missa Votiva BMV)
  19. πŸ” 23% Plaude turba pauperculaPlaude turba paupercula
  20. πŸ” 23% Romana gaudet natio!Romana gaudet natio!
  21. πŸ” 23% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  22. πŸ” 23% Te lucis ante terminum (In Festo Corporis Christi)Te lucis ante terminum (In Festo Corporis Christi)
  23. πŸ” 23% Adesto rerum conditorAdesto rerum conditor
  24. πŸ” 22% Verbum caro factum estVerbum caro factum est
  25. πŸ” 22% Te lucis ante terminum (In Epiphania Domini)Te lucis ante terminum (In Epiphania Domini)
  26. πŸ” 22% Gloriosae Matris DeiGloriosae Matris Dei
  27. πŸ” 22% Certum tenentes ordinem (A Sollemnitate Epiphaniae)Certum tenentes ordinem (A Sollemnitate Epiphaniae)
  28. πŸ” 21% Memento rerum conditorMemento rerum conditor
  29. πŸ” 21% Memento, salutis AuctorMemento, salutis Auctor
  30. πŸ” 21% O vos aethereiO vos aetherei
  31. πŸ” 21% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  32. πŸ” 21% Adesto rerum conditorAdesto rerum conditor
  33. πŸ” 21% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  34. πŸ” 21% Ternis horarum terminis (A Sollemnitate Epiphaniae)Ternis horarum terminis (A Sollemnitate Epiphaniae)
  35. πŸ” 21% Te lucis ante terminumTe lucis ante terminum
  36. πŸ” 21% Rerum Deus tenax vigor (Tempore Epiphaniae)Rerum Deus tenax vigor (Tempore Epiphaniae)
  37. πŸ” 21% Dicamus laudes (In feriis)Dicamus laudes (In feriis)
  38. πŸ” 21% Post partum VirgoPost partum Virgo
  39. πŸ” 21% Gaude mater AnnaGaude mater Anna
  40. πŸ” 21% Rerum Deus (In Epiphania Domini)Rerum Deus (In Epiphania Domini)
  41. πŸ” 20% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  42. πŸ” 20% Jam lucis orto sidere (Tempore Epiphaniae)Jam lucis orto sidere (Tempore Epiphaniae)
  43. πŸ” 20% Salve mundi DominaSalve mundi Domina
  44. πŸ” 20% Ad te confugimusAd te confugimus
  45. πŸ” 20% Summae Deus clementiaeSummae Deus clementiae
  46. πŸ” 20% Iesu corona virginumIesu corona virginum
  47. πŸ” 20% Nunc Sancte nobis Spiritus (In Epiphania)Nunc Sancte nobis Spiritus (In Epiphania)
  48. πŸ” 20% Tota pulchra es Maria!Tota pulchra es Maria!
  49. πŸ” 20% Ab hac familiaAb hac familia
  50. πŸ” 20% Verbum salutis omniumVerbum salutis omnium
  51. πŸ” 20% Haec horaHaec hora
  52. πŸ” 20% Ave lumenAve lumen
  53. πŸ” 20% Jam lucis orto sidere (In Epiphania Domini)Jam lucis orto sidere (In Epiphania Domini)
  54. πŸ” 20% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  55. πŸ” 20% Christe qui splendor (Tempore Quadragesimae hebdomadae II IV)Christe qui splendor (Tempore Quadragesimae hebdomadae II IV)
  56. πŸ” 20% Nunc sancte nobis Spiritus (In tempore Epiphaniae)Nunc sancte nobis Spiritus (In tempore Epiphaniae)
  57. πŸ” 20% Jesu decus angelicumJesu decus angelicum
  58. πŸ” 20% Verbum salutis omniumVerbum salutis omnium
  59. πŸ” 20% Gloria (Missa secundi Toni)Gloria (Missa secundi Toni)
  60. πŸ” 20% Rector Potens (In Nativitate Domini)Rector Potens (In Nativitate Domini)
  61. πŸ” 20% Nunc Sancte nobis (In Epiphania Domini)Nunc Sancte nobis (In Epiphania Domini)
  62. πŸ” 20% Ante diem festum PaschaeAnte diem festum Paschae
  63. πŸ” 20% Rector potens verax Deus (In tempore Epiphaniae)Rector potens verax Deus (In tempore Epiphaniae)
  64. πŸ” 20% Conditor alme siderumConditor alme siderum
  65. πŸ” 20% Grata Virgini MariaeGrata Virgini Mariae