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% Aeterna caeli gloriaAeterna caeli gloria
  2. 🔍 73% Aeterna caeli gloria (in Hieme)Aeterna caeli gloria (in Hieme)
  3. 🔍 61% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  4. 🔍 60% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  5. 🔍 56% Aeterna caeli gloriaAeterna caeli gloria
  6. 🔍 45% Pergrata mundoPergrata mundo
  7. 🔍 43% Splendor paternaeSplendor paternae
  8. 🔍 40% Nox et tenebraeNox et tenebrae
  9. 🔍 40% Aurora iamAurora iam
  10. 🔍 39% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  11. 🔍 37% Christe precamurChriste precamur
  12. 🔍 37% Consors paterni (+rhythmic signs)Consors paterni (+rhythmic signs)
  13. 🔍 37% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  14. 🔍 35% Aeterna lux divinitasAeterna lux divinitas
  15. 🔍 35% Immense caeliImmense caeli
  16. 🔍 35% Ave lumenAve lumen
  17. 🔍 34% Benedicta semperBenedicta semper
  18. 🔍 34% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  19. 🔍 34% Rerum creator optimeRerum creator optime
  20. 🔍 34% Sol ecce surgitSol ecce surgit
  21. 🔍 33% Summae Parens clementiaeSummae Parens clementiae
  22. 🔍 33% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  23. 🔍 33% Ales diei nuntiusAles diei nuntius
  24. 🔍 33% Aeterne rerum ... noctemAeterne rerum ... noctem
  25. 🔍 33% Verbum salutis omniumVerbum salutis omnium
  26. 🔍 33% Aurora iamAurora iam
  27. 🔍 33% O sacrosancta TrinitasO sacrosancta Trinitas
  28. 🔍 33% Adesto rerum conditorAdesto rerum conditor
  29. 🔍 32% Tu Trinitatis UnitasTu Trinitatis Unitas
  30. 🔍 32% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  31. 🔍 32% Somno refectis (+rhythmic signs)Somno refectis (+rhythmic signs)
  32. 🔍 32% Te Matrem laudamusTe Matrem laudamus
  33. 🔍 32% Te DeumTe Deum
  34. 🔍 32% Adesto Christe cordibusAdesto Christe cordibus
  35. 🔍 32% Consors paterniConsors paterni
  36. 🔍 31% Rerum Deus tenax vigor (In Feriis per annum)Rerum Deus tenax vigor (In Feriis per annum)
  37. 🔍 31% Rector potens verax Deus (In Feriis per annum)Rector potens verax Deus (In Feriis per annum)
  38. 🔍 31% Dies aetasque (+rhythmic signs)Dies aetasque (+rhythmic signs)
  39. 🔍 31% Rector potens (dom.)Rector potens (dom.)
  40. 🔍 31% Hymnus Te DeumHymnus Te Deum
  41. 🔍 31% Rerum Deus tenax (dom.)Rerum Deus tenax (dom.)
  42. 🔍 31% Exsultet iam angelicaExsultet iam angelica
  43. 🔍 31% Verbum salutis omniumVerbum salutis omnium
  44. 🔍 31% Iesu redemptor saeculi TPIesu redemptor saeculi TP
  45. 🔍 30% Nox et tenebrae (in Hieme)Nox et tenebrae (in Hieme)
  46. 🔍 30% Splendor paternae gloriaeSplendor paternae gloriae
  47. 🔍 30% Veni Redemptor gentiumVeni Redemptor gentium
  48. 🔍 30% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  49. 🔍 30% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  50. 🔍 30% Te DeumTe Deum
  51. 🔍 30% Iam surgitIam surgit
  52. 🔍 30% Splendor paternaeSplendor paternae
  53. 🔍 30% Telluris ingens conditorTelluris ingens conditor
  54. 🔍 30% Legis sacrataeLegis sacratae
  55. 🔍 30% Te DeumTe Deum
  56. 🔍 30% Te DeumTe Deum
  57. 🔍 30% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  58. 🔍 30% Caeli Deus Sanctissime (in feriis per annum)Caeli Deus Sanctissime (in feriis per annum)
  59. 🔍 30% Fulgentis auctor aetherisFulgentis auctor aetheris
  60. 🔍 30% Hymnus Te DeumHymnus Te Deum
  61. 🔍 30% Dicamus laudes (In feriis)Dicamus laudes (In feriis)
  62. 🔍 29% Ales diei nuntiusAles diei nuntius
  63. 🔍 29% Te DeumTe Deum
  64. 🔍 29% Credo ICredo I
  65. 🔍 29% Adesto rerum conditorAdesto rerum conditor