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% Ales diei nuntiusAles diei nuntius
  2. 🔍 78% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  3. 🔍 78% Ales diei nuntiusAles diei nuntius
  4. 🔍 77% Ales diei nuntiusAles diei nuntius
  5. 🔍 74% Ales diei nuntiusAles diei nuntius
  6. 🔍 43% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  7. 🔍 37% Nox et tenebrae (in Hieme)Nox et tenebrae (in Hieme)
  8. 🔍 36% Aeterna caeli gloria (in Hieme)Aeterna caeli gloria (in Hieme)
  9. 🔍 35% Splendor paternaeSplendor paternae
  10. 🔍 34% Nox et tenebraeNox et tenebrae
  11. 🔍 34% Hymnus Te DeumHymnus Te Deum
  12. 🔍 34% Te DeumTe Deum
  13. 🔍 34% Lux ecce surgit (in Hieme)Lux ecce surgit (in Hieme)
  14. 🔍 34% Aurora Jam Spargit Polum (hiemalis)Aurora Jam Spargit Polum (hiemalis)
  15. 🔍 33% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  16. 🔍 33% Te Matrem laudamusTe Matrem laudamus
  17. 🔍 33% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)
  18. 🔍 33% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  19. 🔍 33% Martyr Dei qui unicumMartyr Dei qui unicum
  20. 🔍 33% Te DeumTe Deum
  21. 🔍 33% Te DeumTe Deum
  22. 🔍 33% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  23. 🔍 33% Te DeumTe Deum
  24. 🔍 33% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  25. 🔍 32% Splendor paternae gloriaeSplendor paternae gloriae
  26. 🔍 32% Adoro te devoteAdoro te devote
  27. 🔍 32% Hymnus Te DeumHymnus Te Deum
  28. 🔍 32% Te DeumTe Deum
  29. 🔍 32% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  30. 🔍 32% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  31. 🔍 32% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  32. 🔍 32% Splendor paternaeSplendor paternae
  33. 🔍 32% Sol ecce surgitSol ecce surgit
  34. 🔍 32% Dicamus laudes (In feriis)Dicamus laudes (In feriis)
  35. 🔍 32% Gloria IIGloria II
  36. 🔍 32% Te DeumTe Deum
  37. 🔍 32% Quicumque certumQuicumque certum
  38. 🔍 31% Pater superni luminisPater superni luminis
  39. 🔍 31% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  40. 🔍 31% Miserere mei... secundumMiserere mei... secundum
  41. 🔍 31% Te Deum (Solemn tone)Te Deum (Solemn tone)
  42. 🔍 31% Pergrata mundoPergrata mundo
  43. 🔍 31% Tu Trinitatis UnitasTu Trinitatis Unitas
  44. 🔍 31% Beata caeli gaudiaBeata caeli gaudia
  45. 🔍 31% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  46. 🔍 30% Invicte Martyr unicumInvicte Martyr unicum
  47. 🔍 30% Rerum creator optimeRerum creator optime
  48. 🔍 30% Invicte MartyrInvicte Martyr
  49. 🔍 30% Te Deum (Simple tone)Te Deum (Simple tone)
  50. 🔍 30% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  51. 🔍 30% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  52. 🔍 30% Credo ICredo I
  53. 🔍 30% Gloria XVGloria XV
  54. 🔍 30% Jam lucis orto sidere (In Dom. et Minor. Festis)Jam lucis orto sidere (In Dom. et Minor. Festis)
  55. 🔍 30% O sator rerumO sator rerum
  56. 🔍 30% Jam lucis orto sidere (ord. Sund.)Jam lucis orto sidere (ord. Sund.)
  57. 🔍 30% Jam lucis orto sidere (In Feriis et Fest. Simpl.)Jam lucis orto sidere (In Feriis et Fest. Simpl.)
  58. 🔍 30% Ternis horarum (In dominicis per annum)Ternis horarum (In dominicis per annum)
  59. 🔍 30% Gloria XIIIGloria XIII
  60. 🔍 30% Veni Creator (1983/1934)Veni Creator (1983/1934)
  61. 🔍 30% Petre sol terrisPetre sol terris
  62. 🔍 29% Adoro te devoteAdoro te devote
  63. 🔍 29% Aeterna caeli gloriaAeterna caeli gloria
  64. 🔍 29% Exsultet iam angelicaExsultet iam angelica
  65. 🔍 29% Sacra jam splendentSacra jam splendent