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% Gregorius praesulGregorius praesul
  2. 🔍 36% Intonant, ecce, per area vocesIntonant, ecce, per area voces
  3. 🔍 35% Celsa potestasCelsa potestas
  4. 🔍 33% Hodie redemptor mundiHodie redemptor mundi
  5. 🔍 32% Filius ecce DeiFilius ecce Dei
  6. 🔍 29% Christum regem descendentem de coelisChristum regem descendentem de coelis
  7. 🔍 29% Ecce crucem DominiEcce crucem Domini
  8. 🔍 28% Eia gaudete MartinoEia gaudete Martino
  9. 🔍 27% Ecce veri luminisEcce veri luminis
  10. 🔍 26% Hodiernae lux dieiHodiernae lux diei
  11. 🔍 26% Quem quaeritis in praesepioQuem quaeritis in praesepio
  12. 🔍 26% Quem quaeritis in praesepioQuem quaeritis in praesepio
  13. 🔍 26% Exsultet jam AngelicaExsultet jam Angelica
  14. 🔍 26% Rerum Deus tenax vigor (In Festis)Rerum Deus tenax vigor (In Festis)
  15. 🔍 25% Roma Petro GlorieturRoma Petro Glorietur
  16. 🔍 25% Sanctissimus namque GregoriusSanctissimus namque Gregorius
  17. 🔍 25% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  18. 🔍 25% Resurrexit Dominus auctor lucisResurrexit Dominus auctor lucis
  19. 🔍 25% A solis ortusA solis ortus
  20. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  21. 🔍 25% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  22. 🔍 25% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  23. 🔍 25% Credo VIICredo VII
  24. 🔍 25% Aeterne Rex altissimeAeterne Rex altissime
  25. 🔍 25% Nunc Sancte nobis (In Tempore Passionis)Nunc Sancte nobis (In Tempore Passionis)
  26. 🔍 25% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  27. 🔍 25% Te DeumTe Deum
  28. 🔍 25% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  29. 🔍 24% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  30. 🔍 24% Ecce omnes redemptiEcce omnes redempti
  31. 🔍 24% Sanctificavit (verses)Sanctificavit (verses)
  32. 🔍 24% Te lucis ante terminum (In tempore Passionis)Te lucis ante terminum (In tempore Passionis)
  33. 🔍 24% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  34. 🔍 24% Te Deum (Solemn tone)Te Deum (Solemn tone)
  35. 🔍 24% Rector potens (In Tempore Passionis)Rector potens (In Tempore Passionis)
  36. 🔍 24% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  37. 🔍 24% Audi benigneAudi benigne
  38. 🔍 24% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  39. 🔍 24% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  40. 🔍 24% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  41. 🔍 24% Praefatio de Adventu IPraefatio de Adventu I
  42. 🔍 24% Rector potens (In Adventu)Rector potens (In Adventu)
  43. 🔍 24% Rector potens (In Adventu)Rector potens (In Adventu)
  44. 🔍 23% Te lucis ante terminum (Passiontide)Te lucis ante terminum (Passiontide)
  45. 🔍 23% Hostis HerodesHostis Herodes
  46. 🔍 23% Christe caelorum DomineChriste caelorum Domine
  47. 🔍 23% Nunc Sancte nobis (in Festis Majoribus)Nunc Sancte nobis (in Festis Majoribus)
  48. 🔍 23% Te DeumTe Deum
  49. 🔍 23% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  50. 🔍 23% Te lucis ante terminum (Temp. Passionis)Te lucis ante terminum (Temp. Passionis)
  51. 🔍 23% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  52. 🔍 23% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  53. 🔍 23% Proclamatio Nativitas DNIC (Octavo Kalendas ianuarii)Proclamatio Nativitas DNIC (Octavo Kalendas ianuarii)
  54. 🔍 23% Te DeumTe Deum
  55. 🔍 23% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  56. 🔍 23% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  57. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  58. 🔍 23% In caelesti hierarchiaIn caelesti hierarchia
  59. 🔍 23% Te DeumTe Deum
  60. 🔍 23% Praefatio de Adventu IIPraefatio de Adventu II
  61. 🔍 23% Tantum ergo.Tantum ergo.
  62. 🔍 23% Verbum supernum prodiensVerbum supernum prodiens
  63. 🔍 23% Veni Redemptor gentiumVeni Redemptor gentium
  64. 🔍 23% Deus tuorum militumDeus tuorum militum
  65. 🔍 23% Verbum supernum prodiens a Verbum supernum prodiens a