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% Solemnitatem hodiernamSolemnitatem hodiernam
  2. 🔍 69% Solemnitatem hodiernam sacratissimi RosariiSolemnitatem hodiernam sacratissimi Rosarii
  3. 🔍 62% Nativitatem hodiernamNativitatem hodiernam
  4. 🔍 58% Solemnitatem hodiernam sacratissimi RosariiSolemnitatem hodiernam sacratissimi Rosarii
  5. 🔍 50% Nativitatem hodiernamNativitatem hodiernam
  6. 🔍 43% Cum jucunditateCum jucunditate
  7. 🔍 38% Cum jucunditate NativitatemCum jucunditate Nativitatem
  8. 🔍 38% Cum jucunditate NativitatemCum jucunditate Nativitatem
  9. 🔍 36% Solemnitatem hodiernamSolemnitatem hodiernam
  10. 🔍 34% Illumina nos DomineIllumina nos Domine
  11. 🔍 34% Cum jucunditateCum jucunditate
  12. 🔍 33% Cum jucunditate celebremusCum jucunditate celebremus
  13. 🔍 30% BeatissimaeBeatissimae
  14. 🔍 29% Felix namqueFelix namque
  15. 🔍 28% O lux beata TrinitasO lux beata Trinitas
  16. 🔍 28% Beata Dei GenitrixBeata Dei Genitrix
  17. 🔍 27% A solis ortusA solis ortus
  18. 🔍 27% Summae Deus clementiae septemSummae Deus clementiae septem
  19. 🔍 26% O lux et decusO lux et decus
  20. 🔍 26% Gloria XIIIGloria XIII
  21. 🔍 26% Elegit... virumElegit... virum
  22. 🔍 26% Post triduumPost triduum
  23. 🔍 26% Post triduumPost triduum
  24. 🔍 26% Gloria VIIGloria VII
  25. 🔍 26% Beata Dei Genitrix (Presentation)Beata Dei Genitrix (Presentation)
  26. 🔍 25% Veni Redemptor gentiumVeni Redemptor gentium
  27. 🔍 25% Beata Dei GenitrixBeata Dei Genitrix
  28. 🔍 25% Quicumque certumQuicumque certum
  29. 🔍 25% Jam sol receditJam sol recedit
  30. 🔍 25% Beata Dei GenitrixBeata Dei Genitrix
  31. 🔍 25% Gloria LausGloria Laus
  32. 🔍 25% Ego autem in DominoEgo autem in Domino
  33. 🔍 25% Gloria IIGloria II
  34. 🔍 25% Jam sol receditJam sol recedit
  35. 🔍 25% Verbum caro factum estVerbum caro factum est
  36. 🔍 25% Miserere mei... secundumMiserere mei... secundum
  37. 🔍 25% Gloria IIIGloria III
  38. 🔍 25% Non invenientes JesumNon invenientes Jesum
  39. 🔍 25% Immensa et unaImmensa et una
  40. 🔍 25% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  41. 🔍 25% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  42. 🔍 25% Ut audivitUt audivit
  43. 🔍 25% Dixit Dominus ad AdamDixit Dominus ad Adam
  44. 🔍 25% Hostis HerodesHostis Herodes
  45. 🔍 25% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  46. 🔍 24% Jam sol recedit igneusJam sol recedit igneus
  47. 🔍 24% Beatissimae Virginis... NativitatemBeatissimae Virginis... Nativitatem
  48. 🔍 24% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  49. 🔍 24% Cum jucunditate MaternitatemCum jucunditate Maternitatem
  50. 🔍 24% Adonai Domine DeusAdonai Domine Deus
  51. 🔍 24% Isti sunt sermonesIsti sunt sermones
  52. 🔍 24% Verbum caroVerbum caro
  53. 🔍 24% Beatissime Virginis... NativitatemBeatissime Virginis... Nativitatem
  54. 🔍 24% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  55. 🔍 24% Sicut oculiSicut oculi
  56. 🔍 24% Ad te de luceAd te de luce
  57. 🔍 24% Gloria LausGloria Laus
  58. 🔍 24% Beata Dei Genitrix (Praesent.)Beata Dei Genitrix (Praesent.)
  59. 🔍 24% A solis ortus cardineA solis ortus cardine
  60. 🔍 24% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  61. 🔍 23% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  62. 🔍 23% Concede nobis DomineConcede nobis Domine
  63. 🔍 23% Venite exultemus IV GVenite exultemus IV G
  64. 🔍 23% Sicut oculiSicut oculi
  65. 🔍 23% Beata es Virgo Maria DeiBeata es Virgo Maria Dei