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 mundi lampasO mundi lampas
  2. 🔍 72% O novi mundi lampasO novi mundi lampas
  3. 🔍 41% Apostolorum passio diemApostolorum passio diem
  4. 🔍 40% Commune vos apostoliCommune vos apostoli
  5. 🔍 40% Te nostra laetisTe nostra laetis
  6. 🔍 38% Qui luce splendesQui luce splendes
  7. 🔍 37% Cohors beata SeraphimCohors beata Seraphim
  8. 🔍 37% Relucens inter principesRelucens inter principes
  9. 🔍 36% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  10. 🔍 36% Praeclara qua tu gloriaPraeclara qua tu gloria
  11. 🔍 35% Captator olim pisciumCaptator olim piscium
  12. 🔍 34% Qui luce splendesQui luce splendes
  13. 🔍 33% Commune vos apostoliCommune vos apostoli
  14. 🔍 33% O MartineO Martine
  15. 🔍 32% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  16. 🔍 32% Hostis HerodesHostis Herodes
  17. 🔍 31% IntercedeIntercede
  18. 🔍 31% Exsultet jam AngelicaExsultet jam Angelica
  19. 🔍 31% Exsultet orbis gaudiisExsultet orbis gaudiis
  20. 🔍 31% Salvator mundiSalvator mundi
  21. 🔍 31% Magnus sanctus PaulusMagnus sanctus Paulus
  22. 🔍 30% Gaude Maria VirgoGaude Maria Virgo
  23. 🔍 30% Regina mundiRegina mundi
  24. 🔍 30% Exsultet orbis gaudiisExsultet orbis gaudiis
  25. 🔍 30% Jam Christus astraJam Christus astra
  26. 🔍 30% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  27. 🔍 30% Ternis horarum terminisTernis horarum terminis
  28. 🔍 30% Ad cenamAd cenam
  29. 🔍 30% Jam Christus astraJam Christus astra
  30. 🔍 30% In ferventisIn ferventis
  31. 🔍 30% Iam ChristusIam Christus
  32. 🔍 29% Beata AgathaBeata Agatha
  33. 🔍 29% ConvocatisConvocatis
  34. 🔍 29% Regina mundiRegina mundi
  35. 🔍 29% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  36. 🔍 29% Certum tenentes ordinemCertum tenentes ordinem
  37. 🔍 29% Certum tenentes ordinemCertum tenentes ordinem
  38. 🔍 29% Recumbente JesuRecumbente Jesu
  39. 🔍 29% Ecce ego JoannesEcce ego Joannes
  40. 🔍 29% Cum videritisCum videritis
  41. 🔍 29% Mater ChristiMater Christi
  42. 🔍 29% Ut Antonini gloriamUt Antonini gloriam
  43. 🔍 29% Legis sacrataeLegis sacratae
  44. 🔍 29% Certum tenentes ordinem (T Adventus)Certum tenentes ordinem (T Adventus)
  45. 🔍 28% Gaude Maria VirgoGaude Maria Virgo
  46. 🔍 28% Ante thronum TrinitatisAnte thronum Trinitatis
  47. 🔍 28% Ascendente JesuAscendente Jesu
  48. 🔍 28% Dicamus laudes DominoDicamus laudes Domino
  49. 🔍 28% Deus tuorum II Cl.Deus tuorum II Cl.
  50. 🔍 28% Prefatio sollemnis Sanctae Mariae MagdalenaePrefatio sollemnis Sanctae Mariae Magdalenae
  51. 🔍 28% Gloria VIIGloria VII
  52. 🔍 28% Te Deum PatremTe Deum Patrem
  53. 🔍 28% O rex aeterne DomineO rex aeterne Domine
  54. 🔍 28% Jesu nostra redemptioJesu nostra redemptio
  55. 🔍 28% Ad Virginem Dei MatremAd Virginem Dei Matrem
  56. 🔍 28% A solis ortusA solis ortus
  57. 🔍 28% Felix per omnesFelix per omnes
  58. 🔍 28% Veni Redemptor gentiumVeni Redemptor gentium
  59. 🔍 28% Intuens in caelumIntuens in caelum
  60. 🔍 28% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  61. 🔍 28% PrincepsPrinceps
  62. 🔍 28% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  63. 🔍 28% Virginis proles (III)Virginis proles (III)
  64. 🔍 28% Exsultet caelum (III)Exsultet caelum (III)
  65. 🔍 28% OstenditOstendit