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% Praeoccupemus faciemPraeoccupemus faciem
  2. 🔍 44% Praeoccupemus faciem DominiPraeoccupemus faciem Domini
  3. 🔍 29% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  4. 🔍 24% Ave Maria... SpiritusAve Maria... Spiritus
  5. 🔍 24% Christum regemChristum regem
  6. 🔍 24% Luciae VirgoLuciae Virgo
  7. 🔍 23% Tenebrae factae sunt... Quis tibi nuncTenebrae factae sunt... Quis tibi nunc
  8. 🔍 23% Tribulationem et doloremTribulationem et dolorem
  9. 🔍 23% Ave Maria... Spiritus (t.p.)Ave Maria... Spiritus (t.p.)
  10. 🔍 23% Ave Maria (maj.)Ave Maria (maj.)
  11. 🔍 22% Descendit Angelus DominiDescendit Angelus Domini
  12. 🔍 22% Congratulamini mihi...quia cumCongratulamini mihi...quia cum
  13. 🔍 22% Tollite jugum meumTollite jugum meum
  14. 🔍 21% Venite Exsultemus VIIVenite Exsultemus VII
  15. 🔍 21% Adoremus DominumAdoremus Dominum
  16. 🔍 21% Christum Dei Filium qui putariChristum Dei Filium qui putari
  17. 🔍 21% OrnaveruntOrnaverunt
  18. 🔍 21% Glorisae Virginis Mariae MaternitatemGlorisae Virginis Mariae Maternitatem
  19. 🔍 21% Contumelias et terrores passus (Resp.)Contumelias et terrores passus (Resp.)
  20. 🔍 21% Manus ejus tornatilesManus ejus tornatiles
  21. 🔍 20% Jesum Christum Regem regumJesum Christum Regem regum
  22. 🔍 20% Ave MariaAve Maria
  23. 🔍 20% Agathes laetissimaAgathes laetissima
  24. 🔍 20% Dignus es DomineDignus es Domine
  25. 🔍 20% Pater peccavi in coelumPater peccavi in coelum
  26. 🔍 20% Isti sunt diesIsti sunt dies
  27. 🔍 20% Elisabeth ZachariaeElisabeth Zachariae
  28. 🔍 20% Doleo super teDoleo super te
  29. 🔍 20% Venite exsultemus (mode 5g)Venite exsultemus (mode 5g)
  30. 🔍 20% Exaltare DomineExaltare Domine
  31. 🔍 20% Fuit homoFuit homo
  32. 🔍 20% Venite exsultemus (mode 7a simplex)Venite exsultemus (mode 7a simplex)
  33. 🔍 19% Dixit Judas fratribus suisDixit Judas fratribus suis
  34. 🔍 19% Venite exsultemus IVVenite exsultemus IV
  35. 🔍 19% Benedictus es Domine DeusBenedictus es Domine Deus
  36. 🔍 19% Dum ingredereturDum ingrederetur
  37. 🔍 19% Benedictus esBenedictus es
  38. 🔍 19% Praecursor pro nobisPraecursor pro nobis
  39. 🔍 19% Tolle arma tuaTolle arma tua
  40. 🔍 19% MachabaeusMachabaeus
  41. 🔍 19% Amo ChristumAmo Christum
  42. 🔍 19% Venite exsultemus (pro defunc.)Venite exsultemus (pro defunc.)
  43. 🔍 19% Veni Domine et noliVeni Domine et noli
  44. 🔍 19% Surge PetreSurge Petre
  45. 🔍 19% Venite auditeVenite audite
  46. 🔍 19% O beata MaterO beata Mater
  47. 🔍 19% Beata viscera MariaeBeata viscera Mariae
  48. 🔍 19% Tribulationes civitatumTribulationes civitatum
  49. 🔍 19% Immutemur habituImmutemur habitu
  50. 🔍 19% Adeste fidelesAdeste fideles
  51. 🔍 19% Adjutor meus tibi psallamAdjutor meus tibi psallam
  52. 🔍 19% Omnes una voce dixeruntOmnes una voce dixerunt
  53. 🔍 18% Lucis Creator optimeLucis Creator optime
  54. 🔍 18% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  55. 🔍 18% Eram quasi agnus innocensEram quasi agnus innocens
  56. 🔍 18% Lucis creatorLucis creator
  57. 🔍 18% Simon Petre antequamSimon Petre antequam
  58. 🔍 18% Lucia Virgo (Resp.)Lucia Virgo (Resp.)
  59. 🔍 18% Venite exsultemus (mode 4e simplex)Venite exsultemus (mode 4e simplex)
  60. 🔍 18% Simon Petre antequamSimon Petre antequam
  61. 🔍 18% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  62. 🔍 18% Venite exsultemus (mode 3g simplex)Venite exsultemus (mode 3g simplex)
  63. 🔍 18% Euge serveEuge serve
  64. 🔍 18% Emendemus in meliusEmendemus in melius
  65. 🔍 18% Ecce Agnus DeiEcce Agnus Dei