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 nata lux de lumineO nata lux de lumine
  2. 🔍 76% Ad coenamAd coenam
  3. 🔍 44% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  4. 🔍 40% Rector potens verax Deus (In tempore Nativitatis)Rector potens verax Deus (In tempore Nativitatis)
  5. 🔍 39% Rerum Deus tenax vigor (Tempore Nativitatis)Rerum Deus tenax vigor (Tempore Nativitatis)
  6. 🔍 38% Te lucis ante terminum (In Nativ. Domini)Te lucis ante terminum (In Nativ. Domini)
  7. 🔍 38% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  8. 🔍 38% Nunc sancte nobis spiritus (In tempore Nativitatis)Nunc sancte nobis spiritus (In tempore Nativitatis)
  9. 🔍 37% Nunc Sancte nobis Spiritus (In Nativ. Domini)Nunc Sancte nobis Spiritus (In Nativ. Domini)
  10. 🔍 36% O rex aeterne DomineO rex aeterne Domine
  11. 🔍 36% Gloria IIIGloria III
  12. 🔍 36% O sola magnarum urbiumO sola magnarum urbium
  13. 🔍 35% Aeterne sol qui lumineAeterne sol qui lumine
  14. 🔍 34% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  15. 🔍 33% Nunc Sancte nobis (In Nativitate Domini)Nunc Sancte nobis (In Nativitate Domini)
  16. 🔍 33% Vir celse forma fulgidaVir celse forma fulgida
  17. 🔍 32% Salve magniSalve magni
  18. 🔍 32% Iesu corona virginumIesu corona virginum
  19. 🔍 32% Insigne Francorum jubarInsigne Francorum jubar
  20. 🔍 31% Jesu Redemptor omniumJesu Redemptor omnium
  21. 🔍 31% Magno receptans pectoreMagno receptans pectore
  22. 🔍 30% Fortem piumqueFortem piumque
  23. 🔍 29% Martine par ApostolisMartine par Apostolis
  24. 🔍 29% Mella cor obdulcantiaMella cor obdulcantia
  25. 🔍 29% O nata lux de lumineO nata lux de lumine
  26. 🔍 29% Anglorum iamAnglorum iam
  27. 🔍 29% Aeterne Rex altissimeAeterne Rex altissime
  28. 🔍 29% Agathae sacraeAgathae sacrae
  29. 🔍 28% Anglorum jam ApostolusAnglorum jam Apostolus
  30. 🔍 28% Apostolorum supparemApostolorum supparem
  31. 🔍 28% Iesu corona virginumIesu corona virginum
  32. 🔍 28% Gentem Francorum inclytamGentem Francorum inclytam
  33. 🔍 27% Vir celse forma fulgidaVir celse forma fulgida
  34. 🔍 27% Vir celse forma fulgidaVir celse forma fulgida
  35. 🔍 27% Rex Christe Martini decusRex Christe Martini decus
  36. 🔍 27% Spiritus sanctus in te (I)Spiritus sanctus in te (I)
  37. 🔍 27% Vir celse (pro Episcopo)Vir celse (pro Episcopo)
  38. 🔍 27% Vir celse (Pro papa)Vir celse (Pro papa)
  39. 🔍 27% Spiritus sanctus in te (II)Spiritus sanctus in te (II)
  40. 🔍 26% Vir celse (Pro presbytero)Vir celse (Pro presbytero)
  41. 🔍 26% Vir celse (Pro resbytero)Vir celse (Pro resbytero)
  42. 🔍 26% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  43. 🔍 25% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  44. 🔍 25% Gloria I.Gloria I.
  45. 🔍 25% Festum celebre martyrisFestum celebre martyris
  46. 🔍 25% O MartineO Martine
  47. 🔍 25% Sacrata nobis gaudiaSacrata nobis gaudia
  48. 🔍 24% Caro meaCaro mea
  49. 🔍 24% Quia eduxi teQuia eduxi te
  50. 🔍 24% Confitemini... quoniam (in Rog.)Confitemini... quoniam (in Rog.)
  51. 🔍 24% Resurrexit Dominus auctor lucisResurrexit Dominus auctor lucis
  52. 🔍 23% Benedictus Dominus Patris nostriBenedictus Dominus Patris nostri
  53. 🔍 23% Christe qui luxChriste qui lux
  54. 🔍 23% Gloria IGloria I
  55. 🔍 23% Gloria VIGloria VI
  56. 🔍 23% In martyris LaurentiiIn martyris Laurentii
  57. 🔍 23% Beata nobisBeata nobis
  58. 🔍 22% Hymnus Te DeumHymnus Te Deum
  59. 🔍 22% Levita LaurentiusLevita Laurentius
  60. 🔍 22% Angelus Domini astititAngelus Domini astitit
  61. 🔍 22% Gaude Mater PoloniaGaude Mater Polonia
  62. 🔍 22% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  63. 🔍 22% Candor aeternaeCandor aeternae
  64. 🔍 22% Impleta gaudentImpleta gaudent
  65. 🔍 22% Quis... arguetQuis... arguet