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% Gaude Mater EcclesiaGaude Mater Ecclesia
  2. 🔍 72% Hymnum novaeHymnum novae
  3. 🔍 71% Novus athleta DominiNovus athleta Domini
  4. 🔍 67% Deus tuorum militumDeus tuorum militum
  5. 🔍 66% Quicumque ChristumQuicumque Christum
  6. 🔍 64% Martyr Dei (I)Martyr Dei (I)
  7. 🔍 64% Aeterno RegiAeterno Regi
  8. 🔍 62% Amor Jesu dulcissimeAmor Jesu dulcissime
  9. 🔍 44% Summi Parentis FilioSummi Parentis Filio
  10. 🔍 44% Gaude Mater EcclesiaGaude Mater Ecclesia
  11. 🔍 43% Ut Antonini gloriamUt Antonini gloriam
  12. 🔍 42% O cor amoris victimaO cor amoris victima
  13. 🔍 41% O salutaris Hostia IIO salutaris Hostia II
  14. 🔍 41% Te lucis ante terminumTe lucis ante terminum
  15. 🔍 40% Jesu nostra redemptioJesu nostra redemptio
  16. 🔍 40% Jesu dulcisJesu dulcis
  17. 🔍 40% Auctor beate saeculiAuctor beate saeculi
  18. 🔍 39% Quicumque certumQuicumque certum
  19. 🔍 37% Lauda fidelisLauda fidelis
  20. 🔍 36% Hodiernae lux dieiHodiernae lux diei
  21. 🔍 35% Noe vero cumNoe vero cum
  22. 🔍 33% O rex aeterne DomineO rex aeterne Domine
  23. 🔍 33% In hoc HyacinthiIn hoc Hyacinthi
  24. 🔍 33% Venite exsultemus IVVenite exsultemus IV
  25. 🔍 33% Gaude felix materGaude felix mater
  26. 🔍 32% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  27. 🔍 32% Lux o decora patriaeLux o decora patriae
  28. 🔍 32% Novus athletaNovus athleta
  29. 🔍 32% In caelesti hierarchiaIn caelesti hierarchia
  30. 🔍 31% Festivis resonent compitaFestivis resonent compita
  31. 🔍 31% Festivis resonentFestivis resonent
  32. 🔍 31% Angelus Domini astititAngelus Domini astitit
  33. 🔍 31% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  34. 🔍 31% Commune vos apostoliCommune vos apostoli
  35. 🔍 31% Gloriosus Dei amicusGloriosus Dei amicus
  36. 🔍 31% Claris conjubilaClaris conjubila
  37. 🔍 31% Ternis horarum terminisTernis horarum terminis
  38. 🔍 31% Exsultet caelum (II)Exsultet caelum (II)
  39. 🔍 31% Vexilla Regis prodeuntVexilla Regis prodeunt
  40. 🔍 30% Dum lux exoriturDum lux exoritur
  41. 🔍 30% Adest dies laetitiaeAdest dies laetitiae
  42. 🔍 30% Deus tuorum II Cl.Deus tuorum II Cl.
  43. 🔍 30% Dicamus laudes DominoDicamus laudes Domino
  44. 🔍 30% Relucens inter principesRelucens inter principes
  45. 🔍 30% Gaude felix parensGaude felix parens
  46. 🔍 30% Iste confessor (III)Iste confessor (III)
  47. 🔍 30% Venite exsultemus (mode 4e simplex)Venite exsultemus (mode 4e simplex)
  48. 🔍 29% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  49. 🔍 29% Vox puraVox pura
  50. 🔍 29% Te nostra laetisTe nostra laetis
  51. 🔍 29% Qui te posthabitisQui te posthabitis
  52. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  53. 🔍 29% Certum tenentes ordinemCertum tenentes ordinem
  54. 🔍 29% Certum tenentes ordinemCertum tenentes ordinem
  55. 🔍 29% Domine Jesu ChristeDomine Jesu Christe
  56. 🔍 29% Cohors beata SeraphimCohors beata Seraphim
  57. 🔍 29% Certum tenentes ordinem (T Adventus)Certum tenentes ordinem (T Adventus)
  58. 🔍 29% Francisce, Christi signiferFrancisce, Christi signifer
  59. 🔍 29% Captator olim pisciumCaptator olim piscium
  60. 🔍 29% Jesu Fili summi PatrisJesu Fili summi Patris
  61. 🔍 29% Qui luce splendesQui luce splendes
  62. 🔍 29% Et posueruntEt posuerunt
  63. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  64. 🔍 28% Impleta gaudentImpleta gaudent
  65. 🔍 28% Exsultet mentisExsultet mentis