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% Sanctorum meritis (another chant)Sanctorum meritis (another chant)
  2. 🔍 86% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  3. 🔍 53% Custodes hominumCustodes hominum
  4. 🔍 45% Sanctorum meritisSanctorum meritis
  5. 🔍 44% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  6. 🔍 44% Sanctorum meritis 2Sanctorum meritis 2
  7. 🔍 43% Dum lux exoriturDum lux exoritur
  8. 🔍 42% Custodes hominum psallimusCustodes hominum psallimus
  9. 🔍 41% Sanctorum meritisSanctorum meritis
  10. 🔍 40% Sanctorum meritis inclytaSanctorum meritis inclyta
  11. 🔍 40% Venite exultemus DominoVenite exultemus Domino
  12. 🔍 40% Christus natus est nobisChristus natus est nobis
  13. 🔍 36% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  14. 🔍 34% Sanctorum meritisSanctorum meritis
  15. 🔍 34% Tu Trinitatis unitasTu Trinitatis unitas
  16. 🔍 34% Qui te posthabitisQui te posthabitis
  17. 🔍 34% Quid faciamQuid faciam
  18. 🔍 33% Ne timeasNe timeas
  19. 🔍 33% Serve boneServe bone
  20. 🔍 33% Gloria tibi TrinitasGloria tibi Trinitas
  21. 🔍 33% Cum audisset JobCum audisset Job
  22. 🔍 33% Jam sol recedit igneusJam sol recedit igneus
  23. 🔍 33% Summi Parentis FilioSummi Parentis Filio
  24. 🔍 33% Ne timeas... alleluiaNe timeas... alleluia
  25. 🔍 33% Animam meamAnimam meam
  26. 🔍 32% O nimis felixO nimis felix
  27. 🔍 32% Immensa et unaImmensa et una
  28. 🔍 32% Miserere mei... secundumMiserere mei... secundum
  29. 🔍 32% Quicumque certumQuicumque certum
  30. 🔍 32% Custodes hominumCustodes hominum
  31. 🔍 32% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  32. 🔍 32% Quicumque ChristumQuicumque Christum
  33. 🔍 32% Alto ex Olympi verticeAlto ex Olympi vertice
  34. 🔍 32% Tota pulchra es amica meaTota pulchra es amica mea
  35. 🔍 32% Ego dixi Domine IIEgo dixi Domine II
  36. 🔍 31% Novus athleta DominiNovus athleta Domini
  37. 🔍 31% In salutariIn salutari
  38. 🔍 31% Nullis te genitorNullis te genitor
  39. 🔍 31% Aeterno RegiAeterno Regi
  40. 🔍 31% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  41. 🔍 31% Claris conjubilaClaris conjubila
  42. 🔍 31% Tu Trinitatis UnitasTu Trinitatis Unitas
  43. 🔍 31% Ex more docti mysticoEx more docti mystico
  44. 🔍 31% O castitatis signiferO castitatis signifer
  45. 🔍 31% Adoremus in aeternum IIAdoremus in aeternum II
  46. 🔍 31% Memoriam fecitMemoriam fecit
  47. 🔍 30% Martyr Dei (I)Martyr Dei (I)
  48. 🔍 30% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  49. 🔍 30% Beata Agnes in medioBeata Agnes in medio
  50. 🔍 30% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  51. 🔍 30% Jam sol receditJam sol recedit
  52. 🔍 30% Jam sol receditJam sol recedit
  53. 🔍 30% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  54. 🔍 30% Hodie scietisHodie scietis
  55. 🔍 30% Miserere et parceMiserere et parce
  56. 🔍 30% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  57. 🔍 30% SenioresSeniores
  58. 🔍 30% Gloria et honoreGloria et honore
  59. 🔍 30% Jesu nostra redemptioJesu nostra redemptio
  60. 🔍 30% Sicut dilexit meSicut dilexit me
  61. 🔍 30% Quicumque certumQuicumque certum
  62. 🔍 30% Esto mihiEsto mihi
  63. 🔍 30% Deus tuorum militumDeus tuorum militum
  64. 🔍 30% Beata es Maria (Visitation)Beata es Maria (Visitation)
  65. 🔍 30% Cum complerenturCum complerentur