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: 2025-12-20. 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% Qui sequitur meQui sequitur me
  2. 🔍 54% Qui sequitur meQui sequitur me
  3. 🔍 34% Qui sequitur meQui sequitur me
  4. 🔍 34% Qui sequitur meQui sequitur me
  5. 🔍 34% Qui sequitur meQui sequitur me
  6. 🔍 33% Qui sequitur meQui sequitur me
  7. 🔍 33% Qui sequitur meQui sequitur me
  8. 🔍 32% Qui sequitur meQui sequitur me
  9. 🔍 28% Qui sequitur meQui sequitur me
  10. 🔍 28% Corpora SanctorumCorpora Sanctorum
  11. 🔍 27% Corpora sanctorumCorpora sanctorum
  12. 🔍 25% Ego sum luxEgo sum lux
  13. 🔍 24% O castitatis signiferO castitatis signifer
  14. 🔍 24% Protege DomineProtege Domine
  15. 🔍 23% Audit tyrannus anxiusAudit tyrannus anxius
  16. 🔍 23% Martyr Dei, qui unicumMartyr Dei, qui unicum
  17. 🔍 23% Regali solio fortisRegali solio fortis
  18. 🔍 23% MisericorsMisericors
  19. 🔍 22% Immensa et unaImmensa et una
  20. 🔍 22% Martyr Dei qui unicumMartyr Dei qui unicum
  21. 🔍 22% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  22. 🔍 22% Protege DomineProtege Domine
  23. 🔍 22% Desiderium animaeDesiderium animae
  24. 🔍 21% Regali solio fortisRegali solio fortis
  25. 🔍 21% Christe splendor PatrisChriste splendor Patris
  26. 🔍 21% Christe splendor PatrisChriste splendor Patris
  27. 🔍 21% Regina caeliRegina caeli
  28. 🔍 21% Factum est in unaFactum est in una
  29. 🔍 21% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  30. 🔍 21% Venite exultemus IV GVenite exultemus IV G
  31. 🔍 21% O lux beata TrinitasO lux beata Trinitas
  32. 🔍 21% Nullis te genitorNullis te genitor
  33. 🔍 21% Tu Trinitatis UnitasTu Trinitatis Unitas
  34. 🔍 21% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  35. 🔍 21% Regali solioRegali solio
  36. 🔍 21% Regina caeliRegina caeli
  37. 🔍 21% Protege DomineProtege Domine
  38. 🔍 21% Benedicite DominumBenedicite Dominum
  39. 🔍 20% Domine Deus salutis... alleluiaDomine Deus salutis... alleluia
  40. 🔍 20% Misericors et miseratorMisericors et miserator
  41. 🔍 20% Gaude mater AnnaGaude mater Anna
  42. 🔍 20% Salvete Christi vulneraSalvete Christi vulnera
  43. 🔍 20% Sancte N.Sancte N.
  44. 🔍 20% Miserere mei... secundumMiserere mei... secundum
  45. 🔍 20% Sanctorum meritisSanctorum meritis
  46. 🔍 20% Salvete Christi vulneraSalvete Christi vulnera
  47. 🔍 20% Regina caeliRegina caeli
  48. 🔍 20% Caritas Dei cum AlleluiaCaritas Dei cum Alleluia
  49. 🔍 20% Gloria VIIGloria VII
  50. 🔍 20% Ave Maria (Tractus)Ave Maria (Tractus)
  51. 🔍 20% Domine Deus salutis... alleluiaDomine Deus salutis... alleluia
  52. 🔍 20% Jam hiemsJam hiems
  53. 🔍 20% Exsultavit... in DeoExsultavit... in Deo
  54. 🔍 20% Qui habitatQui habitat
  55. 🔍 20% Domine Jesu ChristeDomine Jesu Christe
  56. 🔍 20% Eduxit eosEduxit eos
  57. 🔍 20% Ex quo religioEx quo religio
  58. 🔍 20% Aufer a meAufer a me
  59. 🔍 20% O gente felix hospitaO gente felix hospita
  60. 🔍 20% In medio EcclesiaeIn medio Ecclesiae
  61. 🔍 20% Domine Deus salutisDomine Deus salutis
  62. 🔍 20% Domine exaudiDomine exaudi
  63. 🔍 20% AccipiteAccipite
  64. 🔍 20% Exsultet iam angelicaExsultet iam angelica
  65. 🔍 19% Tu es Petrus (Tractus)Tu es Petrus (Tractus)