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% Mira nocturnisMira nocturnis
  2. 🔍 53% Ad sacros VirgoAd sacros Virgo
  3. 🔍 50% Pontifex magnusPontifex magnus
  4. 🔍 47% Mentes juvetMentes juvet
  5. 🔍 47% Virginis Proles (ad libitum)Virginis Proles (ad libitum)
  6. 🔍 46% Magdalae sidusMagdalae sidus
  7. 🔍 45% Te triumphantiTe triumphanti
  8. 🔍 45% Quas tibi laudesQuas tibi laudes
  9. 🔍 44% Christe cunctorum satorChriste cunctorum sator
  10. 🔍 43% Virginis proles opifexque MatrisVirginis proles opifexque Matris
  11. 🔍 42% Nobiles ChristiNobiles Christi
  12. 🔍 42% Nobilem ChristiNobilem Christi
  13. 🔍 41% Credo (Missa secundi Toni)Credo (Missa secundi Toni)
  14. 🔍 32% Dum crimenDum crimen
  15. 🔍 32% Gloria (Missa secundi Toni)Gloria (Missa secundi Toni)
  16. 🔍 30% Quam pulchre graditurQuam pulchre graditur
  17. 🔍 29% Oratio felixOratio felix
  18. 🔍 29% Tibi Christe splendor PatrisTibi Christe splendor Patris
  19. 🔍 29% Gabrielem veneremurGabrielem veneremur
  20. 🔍 27% Omni die dic MariaeOmni die dic Mariae
  21. 🔍 25% Exsultet iam angelicaExsultet iam angelica
  22. 🔍 23% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  23. 🔍 23% Gaudeamus exsultantesGaudeamus exsultantes
  24. 🔍 23% Festivis resonentFestivis resonent
  25. 🔍 23% Jam noctis umbrae conciduntJam noctis umbrae concidunt
  26. 🔍 23% Ave Virgo nobilisAve Virgo nobilis
  27. 🔍 23% Ave lumenAve lumen
  28. 🔍 23% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  29. 🔍 23% Inclytos ChristiInclytos Christi
  30. 🔍 23% Solis o VirgoSolis o Virgo
  31. 🔍 23% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  32. 🔍 22% Inclitos ChristiInclitos Christi
  33. 🔍 22% Plausibus LucaPlausibus Luca
  34. 🔍 22% Lauda SionLauda Sion
  35. 🔍 22% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  36. 🔍 22% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  37. 🔍 22% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  38. 🔍 22% Virgo quae nostrisVirgo quae nostris
  39. 🔍 22% Petre sol terrisPetre sol terris
  40. 🔍 22% Lauda SionLauda Sion
  41. 🔍 22% Gentis redemptaeGentis redemptae
  42. 🔍 22% Aeterna caeli gloria (in Hieme)Aeterna caeli gloria (in Hieme)
  43. 🔍 22% Jam toto subitusJam toto subitus
  44. 🔍 22% Sanctitatis nova signaSanctitatis nova signa
  45. 🔍 22% Sanctitatis nova signaSanctitatis nova signa
  46. 🔍 22% O mira caritasO mira caritas
  47. 🔍 21% In diebus illis: Dixit Dominus ad MoysenIn diebus illis: Dixit Dominus ad Moysen
  48. 🔍 21% Te beata sponsa ChristiTe beata sponsa Christi
  49. 🔍 21% Iste Confessor (Conf non Pont in Duplicibus Minoribus) (Si non est dies obitus)Iste Confessor (Conf non Pont in Duplicibus Minoribus) (Si non est dies obitus)
  50. 🔍 21% Remansit puer Jesus in JerusalemRemansit puer Jesus in Jerusalem
  51. 🔍 21% Jam toto subitusJam toto subitus
  52. 🔍 21% Quid trucesQuid truces
  53. 🔍 21% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  54. 🔍 21% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A
  55. 🔍 21% Omnis expertemOmnis expertem
  56. 🔍 21% Noe vero cumNoe vero cum
  57. 🔍 21% Roma Petro GlorieturRoma Petro Glorietur
  58. 🔍 21% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  59. 🔍 21% Tota Regis filiaeTota Regis filiae
  60. 🔍 20% Te Joseph celebrent (III)Te Joseph celebrent (III)
  61. 🔍 20% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  62. 🔍 20% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  63. 🔍 20% Solis o VirgoSolis o Virgo
  64. 🔍 20% Tantum ergoTantum ergo
  65. 🔍 20% Iste Confessor (Conf non Pont in Duplicibus Minoribus)Iste Confessor (Conf non Pont in Duplicibus Minoribus)