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% Lux o decora patriaeLux o decora patriae
  2. 🔍 71% Lux o decora patriaeLux o decora patriae
  3. 🔍 44% Deus tuorum militumDeus tuorum militum
  4. 🔍 43% Martyr Dei qui unicumMartyr Dei qui unicum
  5. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  6. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  7. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  8. 🔍 33% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  9. 🔍 32% Martinae celebri plauditeMartinae celebri plaudite
  10. 🔍 32% Tu natale solum protegeTu natale solum protege
  11. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  12. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 32% Martinae celebriMartinae celebri
  14. 🔍 32% Ave Maris Stella (Off. BMV in Sab. Alt.)Ave Maris Stella (Off. BMV in Sab. Alt.)
  15. 🔍 32% Non illam cruciansNon illam crucians
  16. 🔍 31% Tu natale solumTu natale solum
  17. 🔍 30% O gente felix hospitaO gente felix hospita
  18. 🔍 30% Custodes hominumCustodes hominum
  19. 🔍 30% Non fraus magnanimumNon fraus magnanimum
  20. 🔍 30% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  21. 🔍 29% O RedemptorO Redemptor
  22. 🔍 29% Roma Petro GlorieturRoma Petro Glorietur
  23. 🔍 29% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  24. 🔍 29% Hymnus Te DeumHymnus Te Deum
  25. 🔍 29% O Redemptor O Redemptor
  26. 🔍 29% O lux beata TrinitasO lux beata Trinitas
  27. 🔍 28% Jesse proles quibus dolesJesse proles quibus doles
  28. 🔍 28% Te splendor et virtusTe splendor et virtus
  29. 🔍 28% O vos aethereiO vos aetherei
  30. 🔍 28% Aeterne sol qui lumineAeterne sol qui lumine
  31. 🔍 28% Gentis redemptaeGentis redemptae
  32. 🔍 28% Regis superni nuntiaRegis superni nuntia
  33. 🔍 27% Te beata sponsa ChristiTe beata sponsa Christi
  34. 🔍 27% Sic Patres vitamSic Patres vitam
  35. 🔍 27% Placare Christe (S. Gabr.)Placare Christe (S. Gabr.)
  36. 🔍 27% Regis superni nuntiaRegis superni nuntia
  37. 🔍 27% Lucis Creator optime (Alius tonus I (ad libitum))Lucis Creator optime (Alius tonus I (ad libitum))
  38. 🔍 27% Sacra jam splendentSacra jam splendent
  39. 🔍 27% Ut queant laxis resonareUt queant laxis resonare
  40. 🔍 27% Surge jam terrisSurge jam terris
  41. 🔍 27% Lucis Creator optime (another chant ad libitum)Lucis Creator optime (another chant ad libitum)
  42. 🔍 26% Ut queant laxisUt queant laxis
  43. 🔍 26% Gentis Polonae gloriaGentis Polonae gloria
  44. 🔍 26% Ut queant laxisUt queant laxis
  45. 🔍 26% Placare Christe (S. Raph.)Placare Christe (S. Raph.)
  46. 🔍 26% Ternis ter horisTernis ter horis
  47. 🔍 26% Filiae JerusalemFiliae Jerusalem
  48. 🔍 26% Regis superni nuntiaRegis superni nuntia
  49. 🔍 26% Ut queant laxisUt queant laxis
  50. 🔍 26% O nimis felix meritiqueO nimis felix meritique
  51. 🔍 26% Celsi meritiCelsi meriti
  52. 🔍 26% Sanctorum meritisSanctorum meritis
  53. 🔍 26% O vos unanimesO vos unanimes
  54. 🔍 26% In caelesti hierarchiaIn caelesti hierarchia
  55. 🔍 26% Terrena cessent organaTerrena cessent organa
  56. 🔍 26% Haec est dies qua candidaeHaec est dies qua candidae
  57. 🔍 26% Spes, Christe, nostrae veniaeSpes, Christe, nostrae veniae
  58. 🔍 26% Te gratulantesTe gratulantes
  59. 🔍 25% Ex quo religioEx quo religio
  60. 🔍 25% Magnus praecoMagnus praeco
  61. 🔍 25% Exsultet caelum (II)Exsultet caelum (II)
  62. 🔍 25% Iam lucis orto sidere Iam lucis orto sidere
  63. 🔍 25% O nimis felixO nimis felix
  64. 🔍 25% Jam Christus astra ascenderatJam Christus astra ascenderat
  65. 🔍 25% Regis superni nuntiaRegis superni nuntia