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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Angularis fundamentumAngularis fundamentum
  2. πŸ” 94% Angularis fundamentumAngularis fundamentum
  3. πŸ” 67% Urbs Jerusalem beataUrbs Jerusalem beata
  4. πŸ” 61% Urbs Ierusalem beataUrbs Ierusalem beata
  5. πŸ” 51% Alleluia dulce carmenAlleluia dulce carmen
  6. πŸ” 48% AngularisAngularis
  7. πŸ” 48% Quicumque Christum quaeritisQuicumque Christum quaeritis
  8. πŸ” 46% Jesu nostraJesu nostra
  9. πŸ” 44% Quem terra pontus aetheraQuem terra pontus aethera
  10. πŸ” 44% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  11. πŸ” 44% Vexilla Regis (Tempore Passionis)Vexilla Regis (Tempore Passionis)
  12. πŸ” 44% Iesu nostra redemptioIesu nostra redemptio
  13. πŸ” 44% Vexilla Regis (Exaltatio Sanctae Crucis)Vexilla Regis (Exaltatio Sanctae Crucis)
  14. πŸ” 44% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  15. πŸ” 43% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  16. πŸ” 43% Tantum ergo IXTantum ergo IX
  17. πŸ” 43% Vexilla Regis (Inventio Sanctae Crucis)Vexilla Regis (Inventio Sanctae Crucis)
  18. πŸ” 43% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  19. πŸ” 43% Vexilla Regis prodeuntVexilla Regis prodeunt
  20. πŸ” 42% Veni Creator (1983/1934)Veni Creator (1983/1934)
  21. πŸ” 42% Legis sacrataeLegis sacratae
  22. πŸ” 42% Quem terra pontus aetheraQuem terra pontus aethera
  23. πŸ” 42% Vexilla Regis prodeuntVexilla Regis prodeunt
  24. πŸ” 41% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  25. πŸ” 41% Crux orbis salus perditiCrux orbis salus perditi
  26. πŸ” 41% Cohors beata SeraphimCohors beata Seraphim
  27. πŸ” 41% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  28. πŸ” 40% Veni Creator SpiritusVeni Creator Spiritus
  29. πŸ” 40% Ex more docti mysticoEx more docti mystico
  30. πŸ” 40% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  31. πŸ” 40% Rerum Deus (In Festo S. Cordis Jesu)Rerum Deus (In Festo S. Cordis Jesu)
  32. πŸ” 40% Vexilla RegisVexilla Regis
  33. πŸ” 40% Salutis humanae satorSalutis humanae sator
  34. πŸ” 40% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  35. πŸ” 40% Veni Creator SpiritusVeni Creator Spiritus
  36. πŸ” 39% O gloriosa DominaO gloriosa Domina
  37. πŸ” 39% Qui luce splendesQui luce splendes
  38. πŸ” 39% Lustris sex qui jam peractisLustris sex qui jam peractis
  39. πŸ” 39% AetΓ©rna imΓ‘goAetΓ©rna imΓ‘go
  40. πŸ” 39% Bernardus doctor inclitusBernardus doctor inclitus
  41. πŸ” 39% Commune vos apostoliCommune vos apostoli
  42. πŸ” 39% Jam Christus astra ascenderatJam Christus astra ascenderat
  43. πŸ” 39% Quicumque Christum quaeritisQuicumque Christum quaeritis
  44. πŸ” 38% Alto ex Olympi verticeAlto ex Olympi vertice
  45. πŸ” 38% Iam bone pastorIam bone pastor
  46. πŸ” 38% Aeterna imago altissimiAeterna imago altissimi
  47. πŸ” 38% Rerum Deus (In Festo Christi Regis)Rerum Deus (In Festo Christi Regis)
  48. πŸ” 38% Praeclara qua tu gloriaPraeclara qua tu gloria
  49. πŸ” 38% Te lucis ante terminum (In Festo S. Cordis Jesu))Te lucis ante terminum (In Festo S. Cordis Jesu))
  50. πŸ” 38% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  51. πŸ” 38% Beate Pastor PetreBeate Pastor Petre
  52. πŸ” 38% Veni Creator SpiritusVeni Creator Spiritus
  53. πŸ” 38% O rex aeterne DomineO rex aeterne Domine
  54. πŸ” 38% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  55. πŸ” 38% Agnes beatae virginisAgnes beatae virginis
  56. πŸ” 38% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)
  57. πŸ” 38% Aeterne Rex altissimeAeterne Rex altissime
  58. πŸ” 37% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  59. πŸ” 37% Ternis ter horisTernis ter horis
  60. πŸ” 37% Iam ChristusIam Christus
  61. πŸ” 37% Vexilla RegisVexilla Regis
  62. πŸ” 37% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  63. πŸ” 37% Jam bone pastorJam bone pastor
  64. πŸ” 37% Dei fideDei fide
  65. πŸ” 37% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)