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% Ave Virgo optimaAve Virgo optima
  2. 🔍 30% Virgo tuum FiliumVirgo tuum Filium
  3. 🔍 29% Virgo MaterVirgo Mater
  4. 🔍 28% Exsurgat DeusExsurgat Deus
  5. 🔍 28% Ave lumenAve lumen
  6. 🔍 28% Factum est in unaFactum est in una
  7. 🔍 27% Det CatharinaDet Catharina
  8. 🔍 27% InclytaInclyta
  9. 🔍 27% Veni Redemptor gentiumVeni Redemptor gentium
  10. 🔍 27% Omnes GentesOmnes Gentes
  11. 🔍 27% Legis sacrataeLegis sacratae
  12. 🔍 27% Salus et gloria - mode IVSalus et gloria - mode IV
  13. 🔍 26% Sancta... semperSancta... semper
  14. 🔍 26% Exaltata est Virgo MariaExaltata est Virgo Maria
  15. 🔍 26% Virgo prudentissimaVirgo prudentissima
  16. 🔍 26% Laetare Virgo MaterLaetare Virgo Mater
  17. 🔍 26% Ave Virgo virginumAve Virgo virginum
  18. 🔍 26% In medio EcclesiaeIn medio Ecclesiae
  19. 🔍 26% Magnus sanctus PaulusMagnus sanctus Paulus
  20. 🔍 26% Exsultet iam angelicaExsultet iam angelica
  21. 🔍 26% Ego sum panis (I)Ego sum panis (I)
  22. 🔍 25% Ave MariaAve Maria
  23. 🔍 25% Deus tuorum S. StephaniDeus tuorum S. Stephani
  24. 🔍 25% Exsultet jam AngelicaExsultet jam Angelica
  25. 🔍 25% Tu Trinitatis UnitasTu Trinitatis Unitas
  26. 🔍 25% Sub tuum praesidiumSub tuum praesidium
  27. 🔍 25% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  28. 🔍 24% CrucifixusCrucifixus
  29. 🔍 24% Alleluia Omnes GentesAlleluia Omnes Gentes
  30. 🔍 24% Reddite ergoReddite ergo
  31. 🔍 24% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  32. 🔍 24% O castitatis signiferO castitatis signifer
  33. 🔍 24% Erat virErat vir
  34. 🔍 24% Quodcumque in orbeQuodcumque in orbe
  35. 🔍 24% Hostis HerodesHostis Herodes
  36. 🔍 24% Sancta... dulcisSancta... dulcis
  37. 🔍 24% Ave Maria (Resp. br. in T.P.))Ave Maria (Resp. br. in T.P.))
  38. 🔍 24% Auctor beate saeculiAuctor beate saeculi
  39. 🔍 24% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  40. 🔍 24% Beata es MariaBeata es Maria
  41. 🔍 24% Ave mundi spes MariaAve mundi spes Maria
  42. 🔍 24% Salve mater misericordiaeSalve mater misericordiae
  43. 🔍 24% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  44. 🔍 24% Gaude Maria VirgoGaude Maria Virgo
  45. 🔍 24% Felix namqueFelix namque
  46. 🔍 24% Exsultavit animaExsultavit anima
  47. 🔍 24% MemorareMemorare
  48. 🔍 24% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  49. 🔍 23% Tibi DixitTibi Dixit
  50. 🔍 23% Relucens inter principesRelucens inter principes
  51. 🔍 23% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  52. 🔍 23% MemorareMemorare
  53. 🔍 23% Pro eo... inquitPro eo... inquit
  54. 🔍 23% Dum mediumDum medium
  55. 🔍 23% Ave Maris StellaAve Maris Stella
  56. 🔍 23% Ego Mater... allel.Ego Mater... allel.
  57. 🔍 23% A solis ortusA solis ortus
  58. 🔍 23% Salve lux mundi!Salve lux mundi!
  59. 🔍 23% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  60. 🔍 23% Ad Virginem Dei MatremAd Virginem Dei Matrem
  61. 🔍 23% Ecce ego JoannesEcce ego Joannes
  62. 🔍 23% Post partum VirgoPost partum Virgo
  63. 🔍 23% Ecce Virgo concipietEcce Virgo concipiet
  64. 🔍 23% In aeternum DomineIn aeternum Domine
  65. 🔍 23% Venite exultemus IV GVenite exultemus IV G