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% PassionemPassionem
  2. 🔍 26% Rerum omniumRerum omnium
  3. 🔍 25% InclytaInclyta
  4. 🔍 25% Virginis eximiaeVirginis eximiae
  5. 🔍 25% Veni Redemptor gentiumVeni Redemptor gentium
  6. 🔍 25% Habebitis autemHabebitis autem
  7. 🔍 25% A solis ortusA solis ortus
  8. 🔍 25% O MartineO Martine
  9. 🔍 25% Juste et sancteJuste et sancte
  10. 🔍 24% Beatissimae VirginisBeatissimae Virginis
  11. 🔍 24% Det CatharinaDet Catharina
  12. 🔍 24% Beata es MariaBeata es Maria
  13. 🔍 24% Virginis CatharinaeVirginis Catharinae
  14. 🔍 23% Summae Deus clementiae septemSummae Deus clementiae septem
  15. 🔍 23% Jam noctisJam noctis
  16. 🔍 23% Beata AgathaBeata Agatha
  17. 🔍 22% Solemnitas gloriosaeSolemnitas gloriosae
  18. 🔍 22% Hymnum novaeHymnum novae
  19. 🔍 22% Credo ICredo I
  20. 🔍 22% O beata et benedictaO beata et benedicta
  21. 🔍 22% O virgo o doctorO virgo o doctor
  22. 🔍 22% Magnus sanctus PaulusMagnus sanctus Paulus
  23. 🔍 22% Ad te levaviAd te levavi
  24. 🔍 22% Malos male perdetMalos male perdet
  25. 🔍 22% O quam suavisO quam suavis
  26. 🔍 21% Gloria IIGloria II
  27. 🔍 21% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  28. 🔍 21% In manus tuasIn manus tuas
  29. 🔍 21% Ne timeasNe timeas
  30. 🔍 21% Lauda... quoniamLauda... quoniam
  31. 🔍 21% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  32. 🔍 21% Felix namqueFelix namque
  33. 🔍 21% Ad te... vigilansAd te... vigilans
  34. 🔍 21% Constitues eosConstitues eos
  35. 🔍 21% Gaude Mater PoloniaGaude Mater Polonia
  36. 🔍 21% Gentis redemptaeGentis redemptae
  37. 🔍 21% Hostis HerodesHostis Herodes
  38. 🔍 21% Te Deum PatremTe Deum Patrem
  39. 🔍 21% Maxima estMaxima est
  40. 🔍 21% Ave Virgo optimaAve Virgo optima
  41. 🔍 20% PerpetuisPerpetuis
  42. 🔍 20% O castitatis signiferO castitatis signifer
  43. 🔍 20% Immensa et unaImmensa et una
  44. 🔍 20% Corde et animoCorde et animo
  45. 🔍 20% Festum celebre martyrisFestum celebre martyris
  46. 🔍 20% OmnipotentiOmnipotenti
  47. 🔍 20% Ante thronum TrinitatisAnte thronum Trinitatis
  48. 🔍 20% Lauda piaLauda pia
  49. 🔍 20% Summum RegemSummum Regem
  50. 🔍 20% Credo VCredo V
  51. 🔍 20% Quae est istaQuae est ista
  52. 🔍 20% Sursum sonetSursum sonet
  53. 🔍 20% Ad cenamAd cenam
  54. 🔍 20% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  55. 🔍 20% O lux beata TrinitasO lux beata Trinitas
  56. 🔍 20% Mente jucundaMente jucunda
  57. 🔍 20% Speciosa facta es (II)Speciosa facta es (II)
  58. 🔍 20% Ecce ego JoannesEcce ego Joannes
  59. 🔍 20% Stans beata AgnesStans beata Agnes
  60. 🔍 20% O Roma felixO Roma felix
  61. 🔍 20% Constitues eos principesConstitues eos principes
  62. 🔍 20% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  63. 🔍 19% Credo ICredo I
  64. 🔍 19% Maria ergoMaria ergo
  65. 🔍 19% Constitues eos principesConstitues eos principes