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% Martyr Dei (I)Martyr Dei (I)
  2. 🔍 66% Quicumque ChristumQuicumque Christum
  3. 🔍 65% Deus tuorum militumDeus tuorum militum
  4. 🔍 64% Gaude Mater EcclesiaGaude Mater Ecclesia
  5. 🔍 64% Amor Jesu dulcissimeAmor Jesu dulcissime
  6. 🔍 64% Novus athleta DominiNovus athleta Domini
  7. 🔍 63% Aeterno RegiAeterno Regi
  8. 🔍 60% Hymnum novaeHymnum novae
  9. 🔍 49% Martyr Dei qui unicumMartyr Dei qui unicum
  10. 🔍 48% Summi Parentis FilioSummi Parentis Filio
  11. 🔍 46% Martyr Dei, qui unicumMartyr Dei, qui unicum
  12. 🔍 46% Martyr Dei qui unicumMartyr Dei qui unicum
  13. 🔍 45% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  14. 🔍 45% O salutaris Hostia IIO salutaris Hostia II
  15. 🔍 44% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  16. 🔍 44% Jesu nostra redemptioJesu nostra redemptio
  17. 🔍 43% O cor amoris victimaO cor amoris victima
  18. 🔍 43% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  19. 🔍 43% Ut Antonini gloriamUt Antonini gloriam
  20. 🔍 42% Auctor beate saeculiAuctor beate saeculi
  21. 🔍 42% Martyr Dei (II)Martyr Dei (II)
  22. 🔍 42% Invicte MartyrInvicte Martyr
  23. 🔍 41% Invicte Martyr unicumInvicte Martyr unicum
  24. 🔍 40% Te lucis ante terminumTe lucis ante terminum
  25. 🔍 40% Martyr Dei (III)Martyr Dei (III)
  26. 🔍 40% Martyr DeiMartyr Dei
  27. 🔍 40% Quicumque certumQuicumque certum
  28. 🔍 40% Jesu dulcisJesu dulcis
  29. 🔍 38% Martyr Dei (IIIa)Martyr Dei (IIIa)
  30. 🔍 38% O rex aeterne DomineO rex aeterne Domine
  31. 🔍 37% Noe vero cumNoe vero cum
  32. 🔍 36% Hodiernae lux dieiHodiernae lux diei
  33. 🔍 36% Lauda fidelisLauda fidelis
  34. 🔍 35% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  35. 🔍 34% Dicamus laudes DominoDicamus laudes Domino
  36. 🔍 34% Venite exsultemus IVVenite exsultemus IV
  37. 🔍 33% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  38. 🔍 33% Ternis horarum terminisTernis horarum terminis
  39. 🔍 33% Exsultet caelum (II)Exsultet caelum (II)
  40. 🔍 32% O martyr desiderioO martyr desiderio
  41. 🔍 32% Beata nobisBeata nobis
  42. 🔍 32% Jam Christus astra ascenderatJam Christus astra ascenderat
  43. 🔍 32% Custodes hominumCustodes hominum
  44. 🔍 32% Cohors beata SeraphimCohors beata Seraphim
  45. 🔍 31% Te Deum PatremTe Deum Patrem
  46. 🔍 31% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  47. 🔍 31% Angelus Domini astititAngelus Domini astitit
  48. 🔍 31% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  49. 🔍 31% Venite exsultemus (mode 4e simplex)Venite exsultemus (mode 4e simplex)
  50. 🔍 31% Beata AgathaBeata Agatha
  51. 🔍 31% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  52. 🔍 31% Commune vos apostoliCommune vos apostoli
  53. 🔍 31% O salutaris Hostia IIIO salutaris Hostia III
  54. 🔍 31% Dum lux exoriturDum lux exoritur
  55. 🔍 31% Custodes hominum psallimusCustodes hominum psallimus
  56. 🔍 30% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  57. 🔍 30% Impleta gaudentImpleta gaudent
  58. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  59. 🔍 30% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  60. 🔍 30% O lux beata TrinitasO lux beata Trinitas
  61. 🔍 30% Certum tenentes ordinemCertum tenentes ordinem
  62. 🔍 30% Certum tenentes ordinemCertum tenentes ordinem
  63. 🔍 30% O salutaris Hostia VIO salutaris Hostia VI
  64. 🔍 30% Lux o decora patriaeLux o decora patriae
  65. 🔍 30% Francisce, Christi signiferFrancisce, Christi signifer