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% Ave decus virgineumAve decus virgineum
  2. 🔍 34% Regem venturum DominumRegem venturum Dominum
  3. 🔍 31% Audi Virgo manificaAudi Virgo manifica
  4. 🔍 30% Ecce veniet RexEcce veniet Rex
  5. 🔍 30% O OriensO Oriens
  6. 🔍 29% O Rex gentiumO Rex gentium
  7. 🔍 28% O EmmanuelO Emmanuel
  8. 🔍 28% Sancte Michael archangeleSancte Michael archangele
  9. 🔍 26% O radix JesseO radix Jesse
  10. 🔍 26% O Crux fructex salvificus!O Crux fructex salvificus!
  11. 🔍 25% Salve Coleta potens!Salve Coleta potens!
  12. 🔍 25% Tantum ergo.Tantum ergo.
  13. 🔍 25% Tota pulchra es Maria!Tota pulchra es Maria!
  14. 🔍 25% Paschalis admirabilisPaschalis admirabilis
  15. 🔍 24% Cum ortus fueritCum ortus fuerit
  16. 🔍 24% O SapientiaO Sapientia
  17. 🔍 24% Festum MariaeFestum Mariae
  18. 🔍 24% Cum PatribusCum Patribus
  19. 🔍 24% Tantum ergoTantum ergo
  20. 🔍 24% Tantum ergo.Tantum ergo.
  21. 🔍 24% Salve lux mundi!Salve lux mundi!
  22. 🔍 24% O AdonaiO Adonai
  23. 🔍 23% Tota pulchra es Maria!Tota pulchra es Maria!
  24. 🔍 23% Adoro te devoteAdoro te devote
  25. 🔍 23% O splendor pudicitiaeO splendor pudicitiae
  26. 🔍 23% O Margarita poenitensO Margarita poenitens
  27. 🔍 22% O praedicator gratiae!O praedicator gratiae!
  28. 🔍 22% O clavis DavidO clavis David
  29. 🔍 22% Ave Rex noster!Ave Rex noster!
  30. 🔍 22% Salve Crux sancta!Salve Crux sancta!
  31. 🔍 22% Veni Regina nostraVeni Regina nostra
  32. 🔍 21% Ave Maria... virgo serenaAve Maria... virgo serena
  33. 🔍 21% Tantum ergoTantum ergo
  34. 🔍 21% Tantum ergoTantum ergo
  35. 🔍 21% Domine Jesu ChristeDomine Jesu Christe
  36. 🔍 21% Salve mundi DominaSalve mundi Domina
  37. 🔍 20% Ave Virgo virginumAve Virgo virginum
  38. 🔍 20% Ave mundi spes MariaAve mundi spes Maria
  39. 🔍 20% O praeclarum mundi jubarO praeclarum mundi jubar
  40. 🔍 20% In Francisci filioIn Francisci filio
  41. 🔍 20% Sursum sonetSursum sonet
  42. 🔍 20% Martine par ApostolisMartine par Apostolis
  43. 🔍 20% Benedicta semperBenedicta semper
  44. 🔍 20% O Catharina nobilis!O Catharina nobilis!
  45. 🔍 20% Mundi renovatioMundi renovatio
  46. 🔍 20% Stephani victoria!Stephani victoria!
  47. 🔍 19% Missus Gabriel de coelisMissus Gabriel de coelis
  48. 🔍 19% O Sena!O Sena!
  49. 🔍 19% O lingua benedictaO lingua benedicta
  50. 🔍 19% Ave lumenAve lumen
  51. 🔍 19% Dum tuos omnes!Dum tuos omnes!
  52. 🔍 19% Ave Regis AngelorumAve Regis Angelorum
  53. 🔍 19% Deus de nullo veniensDeus de nullo veniens
  54. 🔍 19% O Jesu!O Jesu!
  55. 🔍 19% Si quaerisSi quaeris
  56. 🔍 19% Exsultate DeoExsultate Deo
  57. 🔍 19% Judicii signumJudicii signum
  58. 🔍 19% Tantum ergo.Tantum ergo.
  59. 🔍 19% Nostra festivo modulata plausuNostra festivo modulata plausu
  60. 🔍 19% Gaudete vos fideles!Gaudete vos fideles!
  61. 🔍 19% Ave JosephAve Joseph
  62. 🔍 19% Quodcumque in orbeQuodcumque in orbe
  63. 🔍 18% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  64. 🔍 18% O vos aethereiO vos aetherei
  65. 🔍 18% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.