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% Sanctissimus namque GregoriusSanctissimus namque Gregorius
  2. 🔍 33% A solis ortusA solis ortus
  3. 🔍 33% Credo VIICredo VII
  4. 🔍 33% Deus tuorum militumDeus tuorum militum
  5. 🔍 32% Exsultet jam AngelicaExsultet jam Angelica
  6. 🔍 32% Veni Redemptor gentiumVeni Redemptor gentium
  7. 🔍 31% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  8. 🔍 31% Credo in DeumCredo in Deum
  9. 🔍 31% Deus tuorum militumDeus tuorum militum
  10. 🔍 30% Hostis HerodesHostis Herodes
  11. 🔍 30% Venite exultemus IV GVenite exultemus IV G
  12. 🔍 29% Aeterne Rex altissimeAeterne Rex altissime
  13. 🔍 29% Verbum supernumVerbum supernum
  14. 🔍 29% Praefatio de Adventu IPraefatio de Adventu I
  15. 🔍 29% Aeterne Rex altissimeAeterne Rex altissime
  16. 🔍 29% Verbum supernum prodiens necVerbum supernum prodiens nec
  17. 🔍 29% En ut superbaEn ut superba
  18. 🔍 29% Salvete Christi vulneraSalvete Christi vulnera
  19. 🔍 29% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  20. 🔍 29% Auctor beate saeculiAuctor beate saeculi
  21. 🔍 28% Auctor beate saeculiAuctor beate saeculi
  22. 🔍 28% Ex more docti mysticoEx more docti mystico
  23. 🔍 28% Tibi Redemptor omniumTibi Redemptor omnium
  24. 🔍 28% Jesu dulcis memoria!Jesu dulcis memoria!
  25. 🔍 28% Gloria VGloria V
  26. 🔍 28% Felix namque esFelix namque es
  27. 🔍 28% Verbum supernum prodiensVerbum supernum prodiens
  28. 🔍 28% Miserere (Ps 50)Miserere (Ps 50)
  29. 🔍 28% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  30. 🔍 28% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  31. 🔍 28% Cum autem complacuitCum autem complacuit
  32. 🔍 28% Stephani victoria!Stephani victoria!
  33. 🔍 28% Sanctificavit (verses)Sanctificavit (verses)
  34. 🔍 28% Gloria VIIGloria VII
  35. 🔍 28% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  36. 🔍 28% Gloria VGloria V
  37. 🔍 28% Audi benigneAudi benigne
  38. 🔍 28% Laetare caelum desuperLaetare caelum desuper
  39. 🔍 28% Gabrielem veneremurGabrielem veneremur
  40. 🔍 28% O lux et decusO lux et decus
  41. 🔍 28% Adoremus in aeternumAdoremus in aeternum
  42. 🔍 27% A solis ortus cardineA solis ortus cardine
  43. 🔍 27% Cor arca legem continensCor arca legem continens
  44. 🔍 27% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  45. 🔍 27% Spiritus sanctus in te (I)Spiritus sanctus in te (I)
  46. 🔍 27% Praefatio solemnis de Ascensione DominiPraefatio solemnis de Ascensione Domini
  47. 🔍 27% Gloria IIIGloria III
  48. 🔍 27% Praefatio solemnis de sacratissimo Corde IesuPraefatio solemnis de sacratissimo Corde Iesu
  49. 🔍 27% Deus tuorum militumDeus tuorum militum
  50. 🔍 27% Intonant, ecce, per area vocesIntonant, ecce, per area voces
  51. 🔍 27% Deus tuorum militumDeus tuorum militum
  52. 🔍 27% Spiritus sanctus in te (II)Spiritus sanctus in te (II)
  53. 🔍 27% Cum esset desponsataCum esset desponsata
  54. 🔍 27% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  55. 🔍 27% Deus tuorum militumDeus tuorum militum
  56. 🔍 27% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  57. 🔍 27% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  58. 🔍 27% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  59. 🔍 27% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  60. 🔍 27% Audi Benigne ConditorAudi Benigne Conditor
  61. 🔍 27% Audi benigne ConditorAudi benigne Conditor
  62. 🔍 27% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  63. 🔍 27% Jam sol recedit igneusJam sol recedit igneus
  64. 🔍 27% Verbum supernum prodiensVerbum supernum prodiens
  65. 🔍 27% Gloria XIGloria XI