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% Ab hac familiaAb hac familia
  2. 🔍 37% Ave MaterAve Mater
  3. 🔍 33% Ave Maria... tecumAve Maria... tecum
  4. 🔍 33% Salve mundiSalve mundi
  5. 🔍 31% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  6. 🔍 30% Ad Virginem Dei MatremAd Virginem Dei Matrem
  7. 🔍 30% Ave Virgo MariaAve Virgo Maria
  8. 🔍 28% Ave Maria ... alleluiaAve Maria ... alleluia
  9. 🔍 28% Verbum caroVerbum caro
  10. 🔍 28% Rector potens (In Festo Corporis Christi)Rector potens (In Festo Corporis Christi)
  11. 🔍 27% Concordi laetitiaConcordi laetitia
  12. 🔍 27% Jam lucis orto sidere (in Nativitate Domini)Jam lucis orto sidere (in Nativitate Domini)
  13. 🔍 27% Jam lucis orto sidere (In Festo Corporis Christi)Jam lucis orto sidere (In Festo Corporis Christi)
  14. 🔍 27% Concordi laetitiaConcordi laetitia
  15. 🔍 27% Verbum caroVerbum caro
  16. 🔍 27% Salve MaterSalve Mater
  17. 🔍 27% Salve MaterSalve Mater
  18. 🔍 27% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  19. 🔍 27% Ave Maria...Alleluia (Ant.)Ave Maria...Alleluia (Ant.)
  20. 🔍 26% Flos virginumFlos virginum
  21. 🔍 26% Angelus Domini (salutatio angelica)Angelus Domini (salutatio angelica)
  22. 🔍 26% Salve mater misericordiaeSalve mater misericordiae
  23. 🔍 26% Ave MariaAve Maria
  24. 🔍 25% Ave MariaAve Maria
  25. 🔍 25% Jam lucis orto sidere (Dominicis per Annum)Jam lucis orto sidere (Dominicis per Annum)
  26. 🔍 25% Ave Virgo virginumAve Virgo virginum
  27. 🔍 25% Ave Virgo specieiAve Virgo speciei
  28. 🔍 25% Ave Virgo GloriosaAve Virgo Gloriosa
  29. 🔍 25% Salve mundi DominaSalve mundi Domina
  30. 🔍 25% Post partum VirgoPost partum Virgo
  31. 🔍 25% Verbum caro factum estVerbum caro factum est
  32. 🔍 25% Verbum caro factum estVerbum caro factum est
  33. 🔍 25% Ave MariaAve Maria
  34. 🔍 25% Ave MariaAve Maria
  35. 🔍 24% Ave MariaAve Maria
  36. 🔍 24% Ave MariaAve Maria
  37. 🔍 24% Maria Mater gratiae (cantus II)Maria Mater gratiae (cantus II)
  38. 🔍 24% Ave lumenAve lumen
  39. 🔍 24% Ave Maria ... allel.Ave Maria ... allel.
  40. 🔍 23% Ave plena gratiaeAve plena gratiae
  41. 🔍 23% Ave Maria (Resp. br. in T.P.))Ave Maria (Resp. br. in T.P.))
  42. 🔍 23% O Maria Mater pia MaterO Maria Mater pia Mater
  43. 🔍 23% Ave MariaAve Maria
  44. 🔍 23% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  45. 🔍 23% Rerum Deus (In Festo Corporis Christi)Rerum Deus (In Festo Corporis Christi)
  46. 🔍 23% O Virgo pulcherrimaO Virgo pulcherrima
  47. 🔍 23% O Maria, gratia plenaO Maria, gratia plena
  48. 🔍 23% O Maria vitae viaO Maria vitae via
  49. 🔍 23% Clemens et benignaClemens et benigna
  50. 🔍 22% Mariae Virgini LaudesMariae Virgini Laudes
  51. 🔍 22% Ave Maria... alleluiaAve Maria... alleluia
  52. 🔍 22% Angelus Domini nuntiavit MariaeAngelus Domini nuntiavit Mariae
  53. 🔍 22% Gloriosae Matris DeiGloriosae Matris Dei
  54. 🔍 22% Sancta MariaSancta Maria
  55. 🔍 22% Quis olimQuis olim
  56. 🔍 22% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  57. 🔍 22% Gloria SanctorumGloria Sanctorum
  58. 🔍 22% Ave mundi spes MariaAve mundi spes Maria
  59. 🔍 22% Veni praecelsa DominaVeni praecelsa Domina
  60. 🔍 22% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  61. 🔍 21% Stella maris o MariaStella maris o Maria
  62. 🔍 21% O Maria vitae viaO Maria vitae via
  63. 🔍 21% Ave Maria (R. Br.)Ave Maria (R. Br.)
  64. 🔍 21% Eva virumEva virum
  65. 🔍 21% Veni veni EmmanuelVeni veni Emmanuel