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% Sancta Maria succurreSancta Maria succurre
  2. 🔍 93% Sancta Maria succurreSancta Maria succurre
  3. 🔍 78% Sancta Maria...festivitatemSancta Maria...festivitatem
  4. 🔍 76% Sancta Maria succurreSancta Maria succurre
  5. 🔍 76% Sancta Maria...auxiliumSancta Maria...auxilium
  6. 🔍 74% Sancta MariaSancta Maria
  7. 🔍 47% Sancta MariaSancta Maria
  8. 🔍 45% Mater ChristiMater Christi
  9. 🔍 41% Felix namqueFelix namque
  10. 🔍 36% Felix namque esFelix namque es
  11. 🔍 36% Relucens inter principesRelucens inter principes
  12. 🔍 36% Commune vos apostoliCommune vos apostoli
  13. 🔍 36% Apostolorum passio diemApostolorum passio diem
  14. 🔍 35% Felix namque esFelix namque es
  15. 🔍 35% Jesu nostraJesu nostra
  16. 🔍 34% Cohors beata SeraphimCohors beata Seraphim
  17. 🔍 34% Te nostra laetisTe nostra laetis
  18. 🔍 33% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  19. 🔍 33% Iesu nostra redemptioIesu nostra redemptio
  20. 🔍 33% Qui luce splendesQui luce splendes
  21. 🔍 33% Felix namque esFelix namque es
  22. 🔍 33% Praeclara qua tu gloriaPraeclara qua tu gloria
  23. 🔍 32% Qui luce splendesQui luce splendes
  24. 🔍 32% Angularis fundamentumAngularis fundamentum
  25. 🔍 32% Angularis fundamentumAngularis fundamentum
  26. 🔍 32% Decora lux aeternitatisDecora lux aeternitatis
  27. 🔍 32% Commune vos apostoliCommune vos apostoli
  28. 🔍 31% Beate Pastor PetreBeate Pastor Petre
  29. 🔍 31% Beate Pastor PetreBeate Pastor Petre
  30. 🔍 31% Sancte PauleSancte Paule
  31. 🔍 31% Gloria IGloria I
  32. 🔍 31% Jam Christus astraJam Christus astra
  33. 🔍 31% Iam ChristusIam Christus
  34. 🔍 31% Captator olim pisciumCaptator olim piscium
  35. 🔍 31% Ex more docti mysticoEx more docti mystico
  36. 🔍 30% Gloria XIIIGloria XIII
  37. 🔍 30% O MartineO Martine
  38. 🔍 30% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  39. 🔍 30% Quicumque Christum quaeritisQuicumque Christum quaeritis
  40. 🔍 30% Legis sacrataeLegis sacratae
  41. 🔍 30% Beata AgathaBeata Agatha
  42. 🔍 30% Decora lux aeternitatisDecora lux aeternitatis
  43. 🔍 30% Gloria VIIGloria VII
  44. 🔍 30% Beate Pastor PetreBeate Pastor Petre
  45. 🔍 30% Tu principatumTu principatum
  46. 🔍 29% Egregie Doctor PauleEgregie Doctor Paule
  47. 🔍 29% Te Joseph celebrentTe Joseph celebrent
  48. 🔍 29% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  49. 🔍 29% Beata Dei GenitrixBeata Dei Genitrix
  50. 🔍 29% Ternis horarum terminisTernis horarum terminis
  51. 🔍 29% Jam Christus astraJam Christus astra
  52. 🔍 29% Lustra sex qui jamLustra sex qui jam
  53. 🔍 29% Salvator mundiSalvator mundi
  54. 🔍 29% Auctor beate saeculiAuctor beate saeculi
  55. 🔍 29% Pange lingua... LaureamPange lingua... Lauream
  56. 🔍 29% Rex summe regumRex summe regum
  57. 🔍 29% Te Deum PatremTe Deum Patrem
  58. 🔍 29% Haec hora (Pentecostes)Haec hora (Pentecostes)
  59. 🔍 29% Stans beata AgathaStans beata Agatha
  60. 🔍 29% Stans beata AgathaStans beata Agatha
  61. 🔍 29% O Virgo MariaO Virgo Maria
  62. 🔍 28% Abiit JesusAbiit Jesus
  63. 🔍 28% Ex more docti MysticoEx more docti Mystico
  64. 🔍 28% Sancta DeiSancta Dei
  65. 🔍 28% Beata Dei GenitrixBeata Dei Genitrix