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% Ante sex diesAnte sex dies
  2. 🔍 76% Ante sex diesAnte sex dies
  3. 🔍 36% Cum appropinquaretCum appropinquaret
  4. 🔍 32% Domine secundum actumDomine secundum actum
  5. 🔍 31% Dum medium silentiumDum medium silentium
  6. 🔍 30% Pueri... vestimentaPueri... vestimenta
  7. 🔍 30% Pueri... vestimentaPueri... vestimenta
  8. 🔍 28% Pueri... vestimentaPueri... vestimenta
  9. 🔍 28% Laetare caelum desuperLaetare caelum desuper
  10. 🔍 28% Dum oraret JesusDum oraret Jesus
  11. 🔍 27% Exsultabo in JerusalemExsultabo in Jerusalem
  12. 🔍 27% Ingrediente DominoIngrediente Domino
  13. 🔍 27% Aeterne Rex altissimeAeterne Rex altissime
  14. 🔍 27% IntroiboIntroibo
  15. 🔍 27% Omnes gentes plaudite (All)Omnes gentes plaudite (All)
  16. 🔍 27% Sperent in teSperent in te
  17. 🔍 27% Venite exultemus IV GVenite exultemus IV G
  18. 🔍 27% Sanctus IIISanctus III
  19. 🔍 26% Aeterne Rex altissimeAeterne Rex altissime
  20. 🔍 26% Cum appropinquaretCum appropinquaret
  21. 🔍 26% Qui lacrimatusQui lacrimatus
  22. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  23. 🔍 26% Pueri Hebraeorum vestimentaPueri Hebraeorum vestimenta
  24. 🔍 26% In omnem terram (Com.)In omnem terram (Com.)
  25. 🔍 26% Ecce sacerdosEcce sacerdos
  26. 🔍 26% Verbum supernumVerbum supernum
  27. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  28. 🔍 26% MagnificatMagnificat
  29. 🔍 26% Exsultabo in JerusalemExsultabo in Jerusalem
  30. 🔍 26% A solis ortusA solis ortus
  31. 🔍 26% Verbum supernum prodiensVerbum supernum prodiens
  32. 🔍 26% Pueri Hebraeorum vestimentaPueri Hebraeorum vestimenta
  33. 🔍 26% Redemisti nosRedemisti nos
  34. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 25% Gloria VIGloria VI
  36. 🔍 25% Hostis HerodesHostis Herodes
  37. 🔍 25% Te Matrem laudamusTe Matrem laudamus
  38. 🔍 25% Auctor salutisAuctor salutis
  39. 🔍 25% Ingrediente DominoIngrediente Domino
  40. 🔍 25% Tu gloria JerusalemTu gloria Jerusalem
  41. 🔍 25% Exsultet jam AngelicaExsultet jam Angelica
  42. 🔍 25% Auctor salutis uniceAuctor salutis unice
  43. 🔍 25% Sanctus (Missa secundi Toni)Sanctus (Missa secundi Toni)
  44. 🔍 25% Sanctus XIIISanctus XIII
  45. 🔍 25% ExspectabamExspectabam
  46. 🔍 25% Panem caeliPanem caeli
  47. 🔍 25% Gloria in excelsisGloria in excelsis
  48. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  49. 🔍 25% Suscepimus (Tract.)Suscepimus (Tract.)
  50. 🔍 25% Sicut oculiSicut oculi
  51. 🔍 25% O gente felix hospitaO gente felix hospita
  52. 🔍 25% Sanctus XVSanctus XV
  53. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 25% Ab ortu solisAb ortu solis
  55. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  56. 🔍 24% Verbum supernum prodiensVerbum supernum prodiens
  57. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  58. 🔍 24% Sanctus IVSanctus IV
  59. 🔍 24% Sanctus XVISanctus XVI
  60. 🔍 24% Post dies octoPost dies octo
  61. 🔍 24% Veni sponsa ChristiVeni sponsa Christi
  62. 🔍 24% Veni Redemptor gentiumVeni Redemptor gentium
  63. 🔍 24% Sanctus (ad lib.) II.Sanctus (ad lib.) II.
  64. 🔍 24% Turba multaTurba multa
  65. 🔍 24% Sanctus IISanctus II