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% Hymnum novaeHymnum novae
  2. 🔍 72% Gaude Mater EcclesiaGaude Mater Ecclesia
  3. 🔍 68% Novus athleta DominiNovus athleta Domini
  4. 🔍 64% Deus tuorum militumDeus tuorum militum
  5. 🔍 63% Aeterno RegiAeterno Regi
  6. 🔍 63% Quicumque ChristumQuicumque Christum
  7. 🔍 61% Amor Jesu dulcissimeAmor Jesu dulcissime
  8. 🔍 60% Martyr Dei (I)Martyr Dei (I)
  9. 🔍 42% Summi Parentis FilioSummi Parentis Filio
  10. 🔍 40% Quicumque certumQuicumque certum
  11. 🔍 40% Ut Antonini gloriamUt Antonini gloriam
  12. 🔍 40% Te lucis ante terminumTe lucis ante terminum
  13. 🔍 40% Jesu dulcisJesu dulcis
  14. 🔍 39% O salutaris Hostia IIO salutaris Hostia II
  15. 🔍 38% Auctor beate saeculiAuctor beate saeculi
  16. 🔍 38% Jesu nostra redemptioJesu nostra redemptio
  17. 🔍 38% O cor amoris victimaO cor amoris victima
  18. 🔍 34% Lauda fidelisLauda fidelis
  19. 🔍 34% Noe vero cumNoe vero cum
  20. 🔍 32% Hodiernae lux dieiHodiernae lux diei
  21. 🔍 32% O rex aeterne DomineO rex aeterne Domine
  22. 🔍 32% Venite exsultemus IVVenite exsultemus IV
  23. 🔍 32% Festivis resonent compitaFestivis resonent compita
  24. 🔍 32% Festivis resonentFestivis resonent
  25. 🔍 31% Angelus Domini astititAngelus Domini astitit
  26. 🔍 31% Dum lux exoriturDum lux exoritur
  27. 🔍 30% Novus athletaNovus athleta
  28. 🔍 30% Gaude Mater EcclesiaGaude Mater Ecclesia
  29. 🔍 30% Venite exsultemus (mode 4e simplex)Venite exsultemus (mode 4e simplex)
  30. 🔍 29% Iste confessor (III)Iste confessor (III)
  31. 🔍 29% CollaeteturCollaetetur
  32. 🔍 29% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  33. 🔍 29% Lux o decora patriaeLux o decora patriae
  34. 🔍 28% Dicamus laudes DominoDicamus laudes Domino
  35. 🔍 28% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  36. 🔍 28% In caelesti hierarchiaIn caelesti hierarchia
  37. 🔍 28% Virginis proles (III)Virginis proles (III)
  38. 🔍 28% Beate martyr, prosperaBeate martyr, prospera
  39. 🔍 28% Qui te posthabitisQui te posthabitis
  40. 🔍 28% Deus tuorum II Cl.Deus tuorum II Cl.
  41. 🔍 28% In hoc HyacinthiIn hoc Hyacinthi
  42. 🔍 28% Custodes hominumCustodes hominum
  43. 🔍 28% Gaude felix materGaude felix mater
  44. 🔍 28% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  45. 🔍 27% Beata nobisBeata nobis
  46. 🔍 27% Adest dies laetitiaeAdest dies laetitiae
  47. 🔍 27% Relucens inter principesRelucens inter principes
  48. 🔍 27% Praeclara qua tu gloriaPraeclara qua tu gloria
  49. 🔍 27% Qui luce splendesQui luce splendes
  50. 🔍 27% Lucis creatorLucis creator
  51. 🔍 27% Custodes hominum psallimusCustodes hominum psallimus
  52. 🔍 27% Et posueruntEt posuerunt
  53. 🔍 27% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  54. 🔍 27% Rogavi Dominum meumRogavi Dominum meum
  55. 🔍 27% Te nostra laetisTe nostra laetis
  56. 🔍 27% Lucis Creator optimeLucis Creator optime
  57. 🔍 27% Jam Christus astra ascenderatJam Christus astra ascenderat
  58. 🔍 27% Vexilla Regis prodeuntVexilla Regis prodeunt
  59. 🔍 27% Cohors beata SeraphimCohors beata Seraphim
  60. 🔍 27% Exsultet orbis gaudiisExsultet orbis gaudiis
  61. 🔍 27% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  62. 🔍 27% Pie PaterPie Pater
  63. 🔍 27% Qui luce splendesQui luce splendes
  64. 🔍 27% Post Petrum primumPost Petrum primum
  65. 🔍 27% Claris conjubilaClaris conjubila