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% Sermone blando AngelusSermone blando Angelus
  2. 🔍 35% Exsultet caelum (III)Exsultet caelum (III)
  3. 🔍 34% Deus tuorum II Cl.Deus tuorum II Cl.
  4. 🔍 34% Ad cenamAd cenam
  5. 🔍 29% Respondens autem AngelusRespondens autem Angelus
  6. 🔍 26% Jam Christus astraJam Christus astra
  7. 🔍 25% Haec hora (Pentecostes)Haec hora (Pentecostes)
  8. 🔍 25% Vexilla Christus inclytaVexilla Christus inclyta
  9. 🔍 25% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  10. 🔍 25% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  11. 🔍 25% Iam ChristusIam Christus
  12. 🔍 24% Undecim discipuliUndecim discipuli
  13. 🔍 24% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  14. 🔍 24% Jam Christus astraJam Christus astra
  15. 🔍 24% Martyr Dei (III)Martyr Dei (III)
  16. 🔍 24% Gabriel Angelus... Ave.Gabriel Angelus... Ave.
  17. 🔍 24% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  18. 🔍 24% Aeterna imago AltissimiAeterna imago Altissimi
  19. 🔍 24% Gabriel angelus locutus est MarieGabriel angelus locutus est Marie
  20. 🔍 24% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  21. 🔍 24% Venite servi (Pentecostes)Venite servi (Pentecostes)
  22. 🔍 24% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  23. 🔍 24% Aeterna... Martyrum (I)Aeterna... Martyrum (I)
  24. 🔍 23% Aeterna... Apostolorum (II)Aeterna... Apostolorum (II)
  25. 🔍 23% Gabriel Angelus... AveGabriel Angelus... Ave
  26. 🔍 23% Gabriel Angelus... Ave.Gabriel Angelus... Ave.
  27. 🔍 23% Iste confessor (III)Iste confessor (III)
  28. 🔍 23% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  29. 🔍 23% Puer Nobis NasciturPuer Nobis Nascitur
  30. 🔍 23% Dedisti Domine habitaculumDedisti Domine habitaculum
  31. 🔍 23% Jesu Redemptor (II)Jesu Redemptor (II)
  32. 🔍 23% Virginis proles (III)Virginis proles (III)
  33. 🔍 22% Gabriel Angelus... AveGabriel Angelus... Ave
  34. 🔍 22% Fortis en praesulFortis en praesul
  35. 🔍 22% Angelus autem DominiAngelus autem Domini
  36. 🔍 22% Jam Christus astra ascenderatJam Christus astra ascenderat
  37. 🔍 22% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  38. 🔍 22% Factum est autemFactum est autem
  39. 🔍 22% Crux fidelisCrux fidelis
  40. 🔍 22% Gabriel Angelus ... EcceGabriel Angelus ... Ecce
  41. 🔍 22% Benedicta es tu (II)Benedicta es tu (II)
  42. 🔍 22% Angelus... nuntiavitAngelus... nuntiavit
  43. 🔍 22% Immittet AngelusImmittet Angelus
  44. 🔍 22% Ave MariaAve Maria
  45. 🔍 22% Missus est Angelus ... in civitatemMissus est Angelus ... in civitatem
  46. 🔍 22% Hostis HerodesHostis Herodes
  47. 🔍 22% Factum est in unaFactum est in una
  48. 🔍 21% Jam toto subitusJam toto subitus
  49. 🔍 21% Praefatio Paschalis IIPraefatio Paschalis II
  50. 🔍 21% Te lucis ante terminum (In Pentecoste)Te lucis ante terminum (In Pentecoste)
  51. 🔍 21% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  52. 🔍 21% Gloria laudisGloria laudis
  53. 🔍 21% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii
  54. 🔍 21% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  55. 🔍 21% Fecit OrdiniFecit Ordini
  56. 🔍 21% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  57. 🔍 21% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  58. 🔍 21% A solis ortusA solis ortus
  59. 🔍 21% Ut Antonini gloriamUt Antonini gloriam
  60. 🔍 21% Pange lingua... proeliumPange lingua... proelium
  61. 🔍 21% In salutariIn salutari
  62. 🔍 21% Qui nos filiiQui nos filii
  63. 🔍 21% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  64. 🔍 21% Benedictus Deus qui misitBenedictus Deus qui misit
  65. 🔍 21% Pange Lingua... ProeliumPange Lingua... Proelium