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% LaetabundusLaetabundus
  2. 🔍 43% Laetabundus (1950 version)Laetabundus (1950 version)
  3. 🔍 43% AbstergetAbsterget
  4. 🔍 42% Laetabundus (1985 version)Laetabundus (1985 version)
  5. 🔍 37% Sponso sponsa!Sponso sponsa!
  6. 🔍 36% O virga ac diademaO virga ac diadema
  7. 🔍 36% Libera me Domine de morteLibera me Domine de morte
  8. 🔍 34% Ecce iam venitEcce iam venit
  9. 🔍 34% Dies absoluti praetereuntDies absoluti praetereunt
  10. 🔍 33% O vos aethereiO vos aetherei
  11. 🔍 33% Mente jucundaMente jucunda
  12. 🔍 33% LaetabundusLaetabundus
  13. 🔍 33% Stephani victoria!Stephani victoria!
  14. 🔍 33% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  15. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  16. 🔍 32% Sursum sonetSursum sonet
  17. 🔍 32% Te Deum (Solemn tone)Te Deum (Solemn tone)
  18. 🔍 32% In martyris LaurentiiIn martyris Laurentii
  19. 🔍 32% In caelesti hierarchiaIn caelesti hierarchia
  20. 🔍 32% Ego sum vestra redemptioEgo sum vestra redemptio
  21. 🔍 32% Cor arca legemCor arca legem
  22. 🔍 31% Ave verumAve verum
  23. 🔍 31% A solis ortusA solis ortus
  24. 🔍 31% O ignis spiritusO ignis spiritus
  25. 🔍 31% Hac die festa concinatHac die festa concinat
  26. 🔍 31% Festum celebre martyrisFestum celebre martyris
  27. 🔍 30% Tantum ergo.Tantum ergo.
  28. 🔍 30% Dicamus laudes (In festis)Dicamus laudes (In festis)
  29. 🔍 30% AngularisAngularis
  30. 🔍 30% Tua sunt haecTua sunt haec
  31. 🔍 30% Paschale mundo gaudiumPaschale mundo gaudium
  32. 🔍 30% Tristes erant ApostoliTristes erant Apostoli
  33. 🔍 30% Audi benigneAudi benigne
  34. 🔍 30% O castitatis signiferO castitatis signifer
  35. 🔍 29% Praedicatorum OrdinisPraedicatorum Ordinis
  36. 🔍 29% Salvete Christi vulneraSalvete Christi vulnera
  37. 🔍 29% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  38. 🔍 29% Lignum vitae quaerimus!Lignum vitae quaerimus!
  39. 🔍 29% Salvete Christi vulneraSalvete Christi vulnera
  40. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  41. 🔍 29% Ad quas orba viroAd quas orba viro
  42. 🔍 29% En martyris LaurentiiEn martyris Laurentii
  43. 🔍 29% Ut queant laxisUt queant laxis
  44. 🔍 28% Claro paschali gaudioClaro paschali gaudio
  45. 🔍 28% Te DeumTe Deum
  46. 🔍 28% Te DeumTe Deum
  47. 🔍 28% Sponsa Christi quae per orbemSponsa Christi quae per orbem
  48. 🔍 28% Nihil huic virgini... alleluiaNihil huic virgini... alleluia
  49. 🔍 28% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  50. 🔍 28% Ave Maris StellaAve Maris Stella
  51. 🔍 28% Sanctitatis nova signaSanctitatis nova signa
  52. 🔍 28% Sanctitatis nova signaSanctitatis nova signa
  53. 🔍 28% Te DeumTe Deum
  54. 🔍 28% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  55. 🔍 28% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  56. 🔍 28% Lucis Creator optime (in Hieme)Lucis Creator optime (in Hieme)
  57. 🔍 28% Te DeumTe Deum
  58. 🔍 28% Grande RaymundiGrande Raymundi
  59. 🔍 28% Lauda JerusalemLauda Jerusalem
  60. 🔍 28% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  61. 🔍 28% Urbs Jerusalem beataUrbs Jerusalem beata
  62. 🔍 27% Gaude Mater PoloniaGaude Mater Polonia
  63. 🔍 27% Nihil huic virginiNihil huic virgini
  64. 🔍 27% O quam mirabilisO quam mirabilis
  65. 🔍 27% Ave Regina CaelorumAve Regina Caelorum