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% Sacerdos magnusSacerdos magnus
  2. 🔍 85% Sacerdos magnusSacerdos magnus
  3. 🔍 62% Sacerdos magnusSacerdos magnus
  4. 🔍 39% Gregorius in vita suaGregorius in vita sua
  5. 🔍 29% Ecce sacerdos magnusEcce sacerdos magnus
  6. 🔍 28% Quasi stellaQuasi stella
  7. 🔍 25% Quasi arcusQuasi arcus
  8. 🔍 23% Legis sacrataeLegis sacratae
  9. 🔍 22% Magnus sanctus PaulusMagnus sanctus Paulus
  10. 🔍 22% Mane surgensMane surgens
  11. 🔍 22% Diem celebremusDiem celebremus
  12. 🔍 22% ConfundanturConfundantur
  13. 🔍 22% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  14. 🔍 22% Venite exultemus IV GVenite exultemus IV G
  15. 🔍 22% Florete... et dateFlorete... et date
  16. 🔍 22% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  17. 🔍 22% Ecce sacerdosEcce sacerdos
  18. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  19. 🔍 21% Exsultet jam AngelicaExsultet jam Angelica
  20. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  21. 🔍 21% Magnus PaterMagnus Pater
  22. 🔍 21% Dominus... plebemDominus... plebem
  23. 🔍 21% Locus isteLocus iste
  24. 🔍 21% Audi IsraelAudi Israel
  25. 🔍 21% Tu es sacerdosTu es sacerdos
  26. 🔍 21% MiseratioMiseratio
  27. 🔍 21% SuscitaboSuscitabo
  28. 🔍 21% Et si coramEt si coram
  29. 🔍 20% Beata nobis gaudiaBeata nobis gaudia
  30. 🔍 20% O mundi lampasO mundi lampas
  31. 🔍 20% PrincipesPrincipes
  32. 🔍 20% Laetare caelum desuperLaetare caelum desuper
  33. 🔍 20% Sacerdos in aeternumSacerdos in aeternum
  34. 🔍 20% O novi mundi lampasO novi mundi lampas
  35. 🔍 20% Super omniaSuper omnia
  36. 🔍 20% Descendit JesusDescendit Jesus
  37. 🔍 20% Novus athletaNovus athleta
  38. 🔍 20% Sigum magnumSigum magnum
  39. 🔍 19% Te saeculorum PrincipemTe saeculorum Principem
  40. 🔍 19% Propheta magnusPropheta magnus
  41. 🔍 19% RecordareRecordare
  42. 🔍 19% Pontifex sacerdosPontifex sacerdos
  43. 🔍 19% Ad cenamAd cenam
  44. 🔍 19% Videntes stellam Magi (Resp.)Videntes stellam Magi (Resp.)
  45. 🔍 19% Verbum supernum prodiens aVerbum supernum prodiens a
  46. 🔍 19% Ego quasi storaxEgo quasi storax
  47. 🔍 19% Abiit JesusAbiit Jesus
  48. 🔍 19% Ecce ego JoannesEcce ego Joannes
  49. 🔍 19% Venite exsultemus DominoVenite exsultemus Domino
  50. 🔍 19% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  51. 🔍 19% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  52. 🔍 19% Congregate illiCongregate illi
  53. 🔍 19% TorcularTorcular
  54. 🔍 19% Lutum fecitLutum fecit
  55. 🔍 19% Praefatio solemnior PaschalisPraefatio solemnior Paschalis
  56. 🔍 19% Nos autemNos autem
  57. 🔍 19% Praefatio solemnior de Nativitate DominiPraefatio solemnior de Nativitate Domini
  58. 🔍 19% Hodie beata VirgoHodie beata Virgo
  59. 🔍 19% Ardens est cor meumArdens est cor meum
  60. 🔍 19% Ascendente JesuAscendente Jesu
  61. 🔍 19% Jam Christus astraJam Christus astra
  62. 🔍 19% Omnis pulchritudoOmnis pulchritudo
  63. 🔍 19% Christo confixus sumChristo confixus sum
  64. 🔍 19% Aeterna imago AltissimiAeterna imago Altissimi
  65. 🔍 19% In salutariIn salutari