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% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  2. 🔍 64% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  3. 🔍 61% Gaude Maria VirgoGaude Maria Virgo
  4. 🔍 54% Gaude Maria VirgoGaude Maria Virgo
  5. 🔍 44% Post partum (Resp Br)Post partum (Resp Br)
  6. 🔍 42% Gaude Maria VirgoGaude Maria Virgo
  7. 🔍 35% Commune vos apostoliCommune vos apostoli
  8. 🔍 35% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  9. 🔍 34% Relucens inter principesRelucens inter principes
  10. 🔍 34% Te nostra laetisTe nostra laetis
  11. 🔍 33% Cohors beata SeraphimCohors beata Seraphim
  12. 🔍 33% Apostolorum passio diemApostolorum passio diem
  13. 🔍 33% Gaude MariaGaude Maria
  14. 🔍 32% Qui luce splendesQui luce splendes
  15. 🔍 32% Praeclara qua tu gloriaPraeclara qua tu gloria
  16. 🔍 32% Post partum VirgoPost partum Virgo
  17. 🔍 31% Qui luce splendesQui luce splendes
  18. 🔍 31% Jam Christus astraJam Christus astra
  19. 🔍 30% Beata es Virgo Maria quae (Ant)Beata es Virgo Maria quae (Ant)
  20. 🔍 30% Descendit JesusDescendit Jesus
  21. 🔍 30% Captator olim pisciumCaptator olim piscium
  22. 🔍 30% GenuistiGenuisti
  23. 🔍 29% Gaude MariaGaude Maria
  24. 🔍 29% Commune vos apostoliCommune vos apostoli
  25. 🔍 29% Te Matrem laudamusTe Matrem laudamus
  26. 🔍 29% Regina mundiRegina mundi
  27. 🔍 29% Gaude MariaGaude Maria
  28. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  29. 🔍 29% Iam ChristusIam Christus
  30. 🔍 29% Regina mundiRegina mundi
  31. 🔍 29% Te Deum PatremTe Deum Patrem
  32. 🔍 29% Post partumPost partum
  33. 🔍 28% Per te salutem hauriamusPer te salutem hauriamus
  34. 🔍 28% Jam Christus astraJam Christus astra
  35. 🔍 28% Dum novus hic MoysesDum novus hic Moyses
  36. 🔍 28% Virginis proles (III)Virginis proles (III)
  37. 🔍 28% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  38. 🔍 28% Ecce ego JoannesEcce ego Joannes
  39. 🔍 28% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  40. 🔍 28% Iste Confessor (Conf Pont in Duplicibus Minoribus)Iste Confessor (Conf Pont in Duplicibus Minoribus)
  41. 🔍 27% Legis sacrataeLegis sacratae
  42. 🔍 27% Exsultet jam AngelicaExsultet jam Angelica
  43. 🔍 27% Beata es Virgo Maria quae (Resp)Beata es Virgo Maria quae (Resp)
  44. 🔍 27% Descendit de caelisDescendit de caelis
  45. 🔍 27% Gloria VIIGloria VII
  46. 🔍 27% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  47. 🔍 27% Ego te tuliEgo te tuli
  48. 🔍 27% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  49. 🔍 27% Miserere mei... secundumMiserere mei... secundum
  50. 🔍 27% Quod chorus vatumQuod chorus vatum
  51. 🔍 27% In natali DominiIn natali Domini
  52. 🔍 27% Beata AgathaBeata Agatha
  53. 🔍 27% Ad cenamAd cenam
  54. 🔍 27% Gloria et honore (versus solemnior)Gloria et honore (versus solemnior)
  55. 🔍 27% Gloria et honoreGloria et honore
  56. 🔍 26% MemorareMemorare
  57. 🔍 26% A solis ortusA solis ortus
  58. 🔍 26% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  59. 🔍 26% Dicamus laudes DominoDicamus laudes Domino
  60. 🔍 26% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  61. 🔍 26% Veni Redemptor gentiumVeni Redemptor gentium
  62. 🔍 26% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  63. 🔍 26% Sancta Maria succurreSancta Maria succurre
  64. 🔍 26% MemorareMemorare
  65. 🔍 26% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis