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% Archangele MichaelArchangele Michael
  2. 🔍 88% Archangele MichaelArchangele Michael
  3. 🔍 69% Archangele MichaelArchangele Michael
  4. 🔍 65% Archangele MichaelArchangele Michael
  5. 🔍 39% Angeli DominiAngeli Domini
  6. 🔍 35% Dum praeliareturDum praeliaretur
  7. 🔍 32% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  8. 🔍 31% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  9. 🔍 30% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  10. 🔍 30% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  11. 🔍 30% Princeps gloriosissime MichaelPrinceps gloriosissime Michael
  12. 🔍 30% Angeli Archangeli...caelorumAngeli Archangeli...caelorum
  13. 🔍 29% Michael ArchangeleMichael Archangele
  14. 🔍 29% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  15. 🔍 29% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  16. 🔍 29% Dum praeliaretur MichaelDum praeliaretur Michael
  17. 🔍 29% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  18. 🔍 29% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  19. 🔍 29% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  20. 🔍 29% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  21. 🔍 28% Angeli Archangeli (S. Michael.)Angeli Archangeli (S. Michael.)
  22. 🔍 28% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  23. 🔍 28% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  24. 🔍 28% Constituit eum dominum (T. Pasch.)Constituit eum dominum (T. Pasch.)
  25. 🔍 28% Constituit eum dominum (T. Pasch.)Constituit eum dominum (T. Pasch.)
  26. 🔍 27% Michael Archangele (t.p.)Michael Archangele (t.p.)
  27. 🔍 27% Alleluia LaudateAlleluia Laudate
  28. 🔍 27% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  29. 🔍 26% Excita DomineExcita Domine
  30. 🔍 26% Omnes de SabaOmnes de Saba
  31. 🔍 26% Alleluia tuus sum ego. (Sundays throughout the year at Sext)Alleluia tuus sum ego. (Sundays throughout the year at Sext)
  32. 🔍 26% CongaudeteCongaudete
  33. 🔍 26% Ecce fidelis servusEcce fidelis servus
  34. 🔍 25% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  35. 🔍 25% Exsultate justiExsultate justi
  36. 🔍 25% Dum sacrum mysteriumDum sacrum mysterium
  37. 🔍 25% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  38. 🔍 25% Tu gloria JerusalemTu gloria Jerusalem
  39. 🔍 25% Alleluia deduc me. (Sundays throughout the year at Terce)Alleluia deduc me. (Sundays throughout the year at Terce)
  40. 🔍 25% Congaudete mecumCongaudete mecum
  41. 🔍 25% Si diligitis meSi diligitis me
  42. 🔍 25% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  43. 🔍 24% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  44. 🔍 24% Spiritus et animaeSpiritus et animae
  45. 🔍 24% Benedico... FiliumBenedico... Filium
  46. 🔍 24% In tua justitiaIn tua justitia
  47. 🔍 24% Confundantur omnesConfundantur omnes
  48. 🔍 24% Miserere mihiMiserere mihi
  49. 🔍 24% Tu DomineTu Domine
  50. 🔍 24% Puer JesusPuer Jesus
  51. 🔍 24% Alleluia (T. P. Vesp. Fer. III.)Alleluia (T. P. Vesp. Fer. III.)
  52. 🔍 24% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  53. 🔍 24% Quam bonusQuam bonus
  54. 🔍 24% Qui habitasQui habitas
  55. 🔍 24% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  56. 🔍 24% Deus meus misericordiaDeus meus misericordia
  57. 🔍 24% Tristitia vestra alleluiaTristitia vestra alleluia
  58. 🔍 24% Beati omnesBeati omnes
  59. 🔍 23% Quaerite primumQuaerite primum
  60. 🔍 23% Veni electa meaVeni electa mea
  61. 🔍 23% Dum esset rexDum esset rex
  62. 🔍 23% Euntes in mundum alleluiaEuntes in mundum alleluia
  63. 🔍 23% Spiritus quiSpiritus qui
  64. 🔍 23% Exaltate RegemExaltate Regem
  65. 🔍 23% Intret oratio meaIntret oratio mea