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% Custodes hominumCustodes hominum
  2. 🔍 88% Custodes hominum psallimusCustodes hominum psallimus
  3. 🔍 78% Custodes hominumCustodes hominum
  4. 🔍 73% Custodes hominumCustodes hominum
  5. 🔍 73% Custodes hominumCustodes hominum
  6. 🔍 53% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  7. 🔍 46% Custodes hominumCustodes hominum
  8. 🔍 42% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  9. 🔍 42% Dum lux exoriturDum lux exoritur
  10. 🔍 38% Venite exultemus DominoVenite exultemus Domino
  11. 🔍 37% Christus natus est nobisChristus natus est nobis
  12. 🔍 33% Gloria tibi TrinitasGloria tibi Trinitas
  13. 🔍 32% Summi Parentis FilioSummi Parentis Filio
  14. 🔍 32% Jesu dulcisJesu dulcis
  15. 🔍 32% Quodcumque in orbeQuodcumque in orbe
  16. 🔍 31% Quodcumque in orbeQuodcumque in orbe
  17. 🔍 31% Immensa et unaImmensa et una
  18. 🔍 31% Ne timeasNe timeas
  19. 🔍 31% Qui te posthabitisQui te posthabitis
  20. 🔍 31% Crastina dieCrastina die
  21. 🔍 31% Novus athleta DominiNovus athleta Domini
  22. 🔍 30% Hodie scietisHodie scietis
  23. 🔍 30% In salutariIn salutari
  24. 🔍 30% ExsurgeExsurge
  25. 🔍 30% Est secretumEst secretum
  26. 🔍 30% Ne timeas... alleluiaNe timeas... alleluia
  27. 🔍 30% Alto ex Olympi verticeAlto ex Olympi vertice
  28. 🔍 30% Quid faciamQuid faciam
  29. 🔍 30% Quicumque certumQuicumque certum
  30. 🔍 30% Aeterno RegiAeterno Regi
  31. 🔍 30% Jesu nostra redemptioJesu nostra redemptio
  32. 🔍 30% Martyr Dei (I)Martyr Dei (I)
  33. 🔍 30% Quicumque ChristumQuicumque Christum
  34. 🔍 30% Animam meamAnimam meam
  35. 🔍 30% Tu Trinitatis unitasTu Trinitatis unitas
  36. 🔍 29% Cum audisset JobCum audisset Job
  37. 🔍 29% Invicte Martyr unicumInvicte Martyr unicum
  38. 🔍 29% Cum complerenturCum complerentur
  39. 🔍 29% Legis sacrataeLegis sacratae
  40. 🔍 29% Adoremus in aeternum IIAdoremus in aeternum II
  41. 🔍 29% Jam sol recedit igneusJam sol recedit igneus
  42. 🔍 29% Tota pulchra es amica meaTota pulchra es amica mea
  43. 🔍 29% Hodie Christus natus estHodie Christus natus est
  44. 🔍 29% Claris conjubilaClaris conjubila
  45. 🔍 29% Serve boneServe bone
  46. 🔍 29% Gloria tibi TrinitasGloria tibi Trinitas
  47. 🔍 28% Deus tuorum militumDeus tuorum militum
  48. 🔍 28% Dixit autem dominusDixit autem dominus
  49. 🔍 28% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  50. 🔍 28% DefeceruntDefecerunt
  51. 🔍 28% Specie tuaSpecie tua
  52. 🔍 28% Ego dixi Domine IIEgo dixi Domine II
  53. 🔍 28% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  54. 🔍 28% Beata Agnes in medioBeata Agnes in medio
  55. 🔍 28% O nimis felixO nimis felix
  56. 🔍 28% Clamavi in totoClamavi in toto
  57. 🔍 28% In aeternumIn aeternum
  58. 🔍 28% Noe vero cumNoe vero cum
  59. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  60. 🔍 28% Sicut dilexit meSicut dilexit me
  61. 🔍 28% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  62. 🔍 28% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  63. 🔍 28% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  64. 🔍 28% MemorareMemorare
  65. 🔍 28% Nostis qui conventusNostis qui conventus