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% O nimis felixO nimis felix
  2. 🔍 71% O nimis felixO nimis felix
  3. 🔍 69% Virginis virgoVirginis virgo
  4. 🔍 64% Concito gressuConcito gressu
  5. 🔍 63% O nimis felixO nimis felix
  6. 🔍 57% Antra desertiAntra deserti
  7. 🔍 54% O nimis felixO nimis felix
  8. 🔍 51% O nimis felix meritiqueO nimis felix meritique
  9. 🔍 50% O nimis felixO nimis felix
  10. 🔍 36% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  11. 🔍 36% Veni Creator (1983/1934)Veni Creator (1983/1934)
  12. 🔍 35% A solis ortusA solis ortus
  13. 🔍 34% Miserere (Ps 50)Miserere (Ps 50)
  14. 🔍 34% O nimis felix meritique (Alter tonus)O nimis felix meritique (Alter tonus)
  15. 🔍 34% Magno receptans pectoreMagno receptans pectore
  16. 🔍 34% Commune vos apostoliCommune vos apostoli
  17. 🔍 34% Legis sacrataeLegis sacratae
  18. 🔍 34% Veni Creator SpiritusVeni Creator Spiritus
  19. 🔍 34% Veni Creator SpiritusVeni Creator Spiritus
  20. 🔍 34% Veni Redemptor gentiumVeni Redemptor gentium
  21. 🔍 34% Audi benigneAudi benigne
  22. 🔍 33% Felix per omnesFelix per omnes
  23. 🔍 33% Te Deum PatremTe Deum Patrem
  24. 🔍 33% Apostolorum passio diemApostolorum passio diem
  25. 🔍 33% En ut superba criminumEn ut superba criminum
  26. 🔍 33% Cohors beata SeraphimCohors beata Seraphim
  27. 🔍 32% Jesu auctor clementiaeJesu auctor clementiae
  28. 🔍 32% O castitatis signiferO castitatis signifer
  29. 🔍 32% Fortem piumqueFortem piumque
  30. 🔍 32% Jam Christus astra ascenderatJam Christus astra ascenderat
  31. 🔍 32% Martyr Dei qui unicumMartyr Dei qui unicum
  32. 🔍 32% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  33. 🔍 32% Ex more docti mysticoEx more docti mystico
  34. 🔍 32% Sancta Maria succurreSancta Maria succurre
  35. 🔍 32% Miserere et parceMiserere et parce
  36. 🔍 32% En ut superbaEn ut superba
  37. 🔍 32% Praeclara qua tu gloriaPraeclara qua tu gloria
  38. 🔍 32% Te nostra laetisTe nostra laetis
  39. 🔍 32% O nata lux de lumineO nata lux de lumine
  40. 🔍 32% O Roma felixO Roma felix
  41. 🔍 32% Audi benigne ConditorAudi benigne Conditor
  42. 🔍 32% Qui luce splendesQui luce splendes
  43. 🔍 31% Veni Creator SpiritusVeni Creator Spiritus
  44. 🔍 31% Te Deum PatremTe Deum Patrem
  45. 🔍 31% Cor arca legem continensCor arca legem continens
  46. 🔍 31% Veni Creator SpiritusVeni Creator Spiritus
  47. 🔍 31% Martyr Dei, qui unicumMartyr Dei, qui unicum
  48. 🔍 31% Qui luce splendesQui luce splendes
  49. 🔍 31% Ex more docti mysticoEx more docti mystico
  50. 🔍 31% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  51. 🔍 31% Commune vos apostoliCommune vos apostoli
  52. 🔍 31% Christe caelorum DomineChriste caelorum Domine
  53. 🔍 31% Gloria VGloria V
  54. 🔍 31% Virginis proles (II)Virginis proles (II)
  55. 🔍 31% Captator olim pisciumCaptator olim piscium
  56. 🔍 31% Libera me Domine de morteLibera me Domine de morte
  57. 🔍 31% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  58. 🔍 31% Relucens inter principesRelucens inter principes
  59. 🔍 31% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  60. 🔍 31% Certum tenentes ordinem (A Sollemnitate Epiphaniae)Certum tenentes ordinem (A Sollemnitate Epiphaniae)
  61. 🔍 31% Quicumque Christum quaeritisQuicumque Christum quaeritis
  62. 🔍 31% O lux salutis nuntiaO lux salutis nuntia
  63. 🔍 30% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  64. 🔍 30% Ternis horarum terminis (A Sollemnitate Epiphaniae)Ternis horarum terminis (A Sollemnitate Epiphaniae)
  65. 🔍 30% O lux beata CaelitumO lux beata Caelitum