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 🔍 to find similarities to the given chant.

  1. 🔍 100% O martyr egregieO martyr egregie
  2. 🔍 33% Dum Samsonis vulpesDum Samsonis vulpes
  3. 🔍 33% O PetreO Petre
  4. 🔍 33% Ascendit ChristusAscendit Christus
  5. 🔍 31% Motu sensuMotu sensu
  6. 🔍 28% InnocensInnocens
  7. 🔍 28% Homo quidam fecit coenam magnamHomo quidam fecit coenam magnam
  8. 🔍 27% O lumenO lumen
  9. 🔍 27% In caelesti hierarchiaIn caelesti hierarchia
  10. 🔍 26% Iesu salvator saeculiIesu salvator saeculi
  11. 🔍 26% LaudantemLaudantem
  12. 🔍 26% Flavit AusterFlavit Auster
  13. 🔍 25% Beata MargaritaBeata Margarita
  14. 🔍 25% Hodie scietisHodie scietis
  15. 🔍 24% Virginis CatharinaeVirginis Catharinae
  16. 🔍 24% O MartineO Martine
  17. 🔍 24% Ave virginum gemmaAve virginum gemma
  18. 🔍 24% Ave vena veniaeAve vena veniae
  19. 🔍 23% Salutis aeternae datorSalutis aeternae dator
  20. 🔍 23% Salutis aeternae datorSalutis aeternae dator
  21. 🔍 23% Martyr Dei (II)Martyr Dei (II)
  22. 🔍 23% Qui venturus estQui venturus est
  23. 🔍 23% Inclytus martyrInclytus martyr
  24. 🔍 23% Christe redemptor omnium conservaChriste redemptor omnium conserva
  25. 🔍 23% Martyr Dei, qui unicumMartyr Dei, qui unicum
  26. 🔍 22% Pinguis estPinguis est
  27. 🔍 22% Ascendente JesuAscendente Jesu
  28. 🔍 22% O lumen EcclesiaeO lumen Ecclesiae
  29. 🔍 22% Hic est vere MartyrHic est vere Martyr
  30. 🔍 22% Miserere mei... secundumMiserere mei... secundum
  31. 🔍 22% Gloria SanctorumGloria Sanctorum
  32. 🔍 22% HolocaustumHolocaustum
  33. 🔍 22% Martyr Dei qui unicumMartyr Dei qui unicum
  34. 🔍 22% Ad sancti Petri tumulumAd sancti Petri tumulum
  35. 🔍 22% Doctor egregie (I)Doctor egregie (I)
  36. 🔍 22% Adhuc multaAdhuc multa
  37. 🔍 22% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  38. 🔍 22% Hostis HerodesHostis Herodes
  39. 🔍 22% Domine Deus... vidi cumDomine Deus... vidi cum
  40. 🔍 22% Sponso sponsa!Sponso sponsa!
  41. 🔍 22% Hodie scietisHodie scietis
  42. 🔍 22% Doctor egregie (II)Doctor egregie (II)
  43. 🔍 21% Beatus VincentiusBeatus Vincentius
  44. 🔍 21% Virgo flagellaturVirgo flagellatur
  45. 🔍 21% Lucis Creator optime (Dom. per Annum)Lucis Creator optime (Dom. per Annum)
  46. 🔍 21% Fulget in choroFulget in choro
  47. 🔍 21% Laudemus caeliLaudemus caeli
  48. 🔍 21% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  49. 🔍 21% O splendor pudicitiaeO splendor pudicitiae
  50. 🔍 21% Martyr Dei (III)Martyr Dei (III)
  51. 🔍 21% ModicumModicum
  52. 🔍 21% Cum venerit ParaclitusCum venerit Paraclitus
  53. 🔍 21% PerpetuisPerpetuis
  54. 🔍 21% Placare Christe servulisPlacare Christe servulis
  55. 🔍 21% Gloria in excelsisGloria in excelsis
  56. 🔍 21% GaudeamusGaudeamus
  57. 🔍 21% Ante thronum TrinitatisAnte thronum Trinitatis
  58. 🔍 21% Haec autemHaec autem
  59. 🔍 21% Placare Christe (Omn. Sanct.)Placare Christe (Omn. Sanct.)
  60. 🔍 21% Ave lumenAve lumen
  61. 🔍 21% Dicit Dominus EgoDicit Dominus Ego
  62. 🔍 21% Invicte Martyr unicumInvicte Martyr unicum
  63. 🔍 20% O Sidus HispaniaeO Sidus Hispaniae
  64. 🔍 20% Immortali laudeImmortali laude
  65. 🔍 20% Si diligeretis meSi diligeretis me