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% Comperta autemComperta autem
  2. 🔍 30% Qui luce splendesQui luce splendes
  3. 🔍 30% Commune vos apostoliCommune vos apostoli
  4. 🔍 30% Cohors beata SeraphimCohors beata Seraphim
  5. 🔍 30% Apostolorum passio diemApostolorum passio diem
  6. 🔍 29% Qui luce splendesQui luce splendes
  7. 🔍 29% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  8. 🔍 28% Decora lux aeternitatisDecora lux aeternitatis
  9. 🔍 28% Relucens inter principesRelucens inter principes
  10. 🔍 28% Te nostra laetisTe nostra laetis
  11. 🔍 28% Praeclara qua tu gloriaPraeclara qua tu gloria
  12. 🔍 27% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  13. 🔍 27% Nunc tempus acceptabileNunc tempus acceptabile
  14. 🔍 27% Ex more docti mysticoEx more docti mystico
  15. 🔍 27% Te Deum PatremTe Deum Patrem
  16. 🔍 27% Intuens in caelumIntuens in caelum
  17. 🔍 27% Decora lux aeternitatisDecora lux aeternitatis
  18. 🔍 26% Legis sacrataeLegis sacratae
  19. 🔍 26% Commune vos apostoliCommune vos apostoli
  20. 🔍 26% Beate Pastor PetreBeate Pastor Petre
  21. 🔍 26% Lauda piaLauda pia
  22. 🔍 26% Gloria VIIGloria VII
  23. 🔍 26% Rex summe regumRex summe regum
  24. 🔍 26% Sanctus autem ValeriusSanctus autem Valerius
  25. 🔍 26% Aspice DomineAspice Domine
  26. 🔍 25% Ex more docti MysticoEx more docti Mystico
  27. 🔍 25% Tu autem DomineTu autem Domine
  28. 🔍 25% Captator olim pisciumCaptator olim piscium
  29. 🔍 25% Tota pulchra es amica (Ant)Tota pulchra es amica (Ant)
  30. 🔍 25% Te Deum PatremTe Deum Patrem
  31. 🔍 25% Beata AgathaBeata Agatha
  32. 🔍 25% Dei fideDei fide
  33. 🔍 25% O MartineO Martine
  34. 🔍 25% Veni Creator (1983/1934)Veni Creator (1983/1934)
  35. 🔍 25% Exsultavit... in DeoExsultavit... in Deo
  36. 🔍 24% Iam bone pastorIam bone pastor
  37. 🔍 24% Conventione autemConventione autem
  38. 🔍 24% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  39. 🔍 24% A solis ortusA solis ortus
  40. 🔍 24% Veni Creator SpiritusVeni Creator Spiritus
  41. 🔍 24% Beate Pastor PetreBeate Pastor Petre
  42. 🔍 24% Virgo prudentissimaVirgo prudentissima
  43. 🔍 24% O mundi lampasO mundi lampas
  44. 🔍 24% OstenditOstendit
  45. 🔍 24% Iesu corona celsiorIesu corona celsior
  46. 🔍 24% Iesu corona celsiorIesu corona celsior
  47. 🔍 24% Sancta Maria succurreSancta Maria succurre
  48. 🔍 24% Iesu corona celsiorIesu corona celsior
  49. 🔍 24% MemorareMemorare
  50. 🔍 24% Gloria IGloria I
  51. 🔍 24% Ascendente JesuAscendente Jesu
  52. 🔍 24% Beate Pastor PetreBeate Pastor Petre
  53. 🔍 24% Luce divinaLuce divina
  54. 🔍 24% Ecce ego JoannesEcce ego Joannes
  55. 🔍 24% Egregie Doctor PauleEgregie Doctor Paule
  56. 🔍 24% Qua Christus hora sitiitQua Christus hora sitiit
  57. 🔍 24% Venit lumenVenit lumen
  58. 🔍 23% O castitatis signiferO castitatis signifer
  59. 🔍 23% In diebus ejusIn diebus ejus
  60. 🔍 23% Omnis pulchritudoOmnis pulchritudo
  61. 🔍 23% Gloriosus Dei amicusGloriosus Dei amicus
  62. 🔍 23% Tu principatumTu principatum
  63. 🔍 23% O novi mundi lampasO novi mundi lampas
  64. 🔍 23% Cornelius centurioCornelius centurio
  65. 🔍 23% Felix per omnesFelix per omnes