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% Aeterno RegiAeterno Regi
  2. 🔍 68% Deus tuorum militumDeus tuorum militum
  3. 🔍 64% Quicumque ChristumQuicumque Christum
  4. 🔍 64% Gaude Mater EcclesiaGaude Mater Ecclesia
  5. 🔍 63% Martyr Dei (I)Martyr Dei (I)
  6. 🔍 63% Novus athleta DominiNovus athleta Domini
  7. 🔍 63% Hymnum novaeHymnum novae
  8. 🔍 61% Amor Jesu dulcissimeAmor Jesu dulcissime
  9. 🔍 46% Ut Antonini gloriamUt Antonini gloriam
  10. 🔍 44% Jesu nostra redemptioJesu nostra redemptio
  11. 🔍 42% Summi Parentis FilioSummi Parentis Filio
  12. 🔍 41% Auctor beate saeculiAuctor beate saeculi
  13. 🔍 41% Quicumque certumQuicumque certum
  14. 🔍 40% O salutaris Hostia IIO salutaris Hostia II
  15. 🔍 40% Jesu dulcisJesu dulcis
  16. 🔍 39% O cor amoris victimaO cor amoris victima
  17. 🔍 38% Te lucis ante terminumTe lucis ante terminum
  18. 🔍 37% Lauda fidelisLauda fidelis
  19. 🔍 36% O rex aeterne DomineO rex aeterne Domine
  20. 🔍 35% Lux o decora patriaeLux o decora patriae
  21. 🔍 34% Corona sponsaCorona sponsa
  22. 🔍 34% Gaude felix materGaude felix mater
  23. 🔍 33% Hodiernae lux dieiHodiernae lux diei
  24. 🔍 33% Festivis resonent compitaFestivis resonent compita
  25. 🔍 33% Festivis resonentFestivis resonent
  26. 🔍 33% Commune vos apostoliCommune vos apostoli
  27. 🔍 33% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  28. 🔍 32% Dum lux exoriturDum lux exoritur
  29. 🔍 32% Deus tuorum II Cl.Deus tuorum II Cl.
  30. 🔍 32% Filiae JerusalemFiliae Jerusalem
  31. 🔍 32% Deus tuorum II Cl.Deus tuorum II Cl.
  32. 🔍 32% Apostolorum passio diemApostolorum passio diem
  33. 🔍 32% Venite exsultemus IVVenite exsultemus IV
  34. 🔍 32% Noe vero cumNoe vero cum
  35. 🔍 31% Custodes hominumCustodes hominum
  36. 🔍 31% Beate martyr, prosperaBeate martyr, prospera
  37. 🔍 31% Felix ThomasFelix Thomas
  38. 🔍 31% Custodes hominum psallimusCustodes hominum psallimus
  39. 🔍 31% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  40. 🔍 31% Adest... diademaAdest... diadema
  41. 🔍 31% Exsultet caelum (II)Exsultet caelum (II)
  42. 🔍 31% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  43. 🔍 30% Exsultet caelum (III)Exsultet caelum (III)
  44. 🔍 30% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  45. 🔍 30% Dicamus laudes DominoDicamus laudes Domino
  46. 🔍 30% Custodes hominumCustodes hominum
  47. 🔍 30% Ternis horarum terminisTernis horarum terminis
  48. 🔍 30% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  49. 🔍 29% Venite exsultemus (mode 4e simplex)Venite exsultemus (mode 4e simplex)
  50. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  51. 🔍 29% Jesu Redemptor (I)Jesu Redemptor (I)
  52. 🔍 29% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  53. 🔍 29% CollaeteturCollaetetur
  54. 🔍 29% Te nostra laetisTe nostra laetis
  55. 🔍 29% Ante thronum TrinitatisAnte thronum Trinitatis
  56. 🔍 29% Ecce ReginaEcce Regina
  57. 🔍 29% In caelesti hierarchiaIn caelesti hierarchia
  58. 🔍 29% In hoc HyacinthiIn hoc Hyacinthi
  59. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  60. 🔍 29% Christe flos convalliumChriste flos convallium
  61. 🔍 29% Lauda piaLauda pia
  62. 🔍 29% Rex gloriose MartyrumRex gloriose Martyrum
  63. 🔍 29% Vexilla Regis prodeuntVexilla Regis prodeunt
  64. 🔍 28% Captator olim pisciumCaptator olim piscium
  65. 🔍 28% En ut superbaEn ut superba